Can you all help me out? The proportions just keep tripping me up :(

State law requires that scuba divers and snorkelers display a divers-down warning device whenever they are:. Vera orders some prints of photos that she uploaded to her computer. She orders 3 of the 5 x 7 prints for $0. 89 each, 12 of the 4 x 6 prints for $0. 15 each and 1 of the 8 x 10 prints for $2. 99. She also orders a photo album for $8. 69. Vera pays taxes that are 7% of the total purchase price. Her shipping charges are based on the following table: Amount of Purchase Standard Shipping Express Shipping up to $20 free $3. 50 $50 up to $100 $6. 35 $8. 20 $100 up to $200 $7. 80 $11. 60 $200 and over $10. 50 $16. 45 Vera selects standard shipping and the company bills her credit card $20. 78 for the total of the online purchase. Determine if Vera has been billed correctly for her purchase. A. Vera has been billed correctly. B. Vera has not been charged enough for her purchase. C. Vera has been over charged by $1. 13 for her purchase. D. Vera has been over charged by $3. 50 for her purchase. Rectangle ABCD has vertices A(2, 3),B(1, 4), C(0, 3), and D(3, 5). Find thevertices of rectangle A'B'C'D' after atranslation of one units right(+1) and 2 units down(-2) Based on the experiment, what is the probability of landing on heads? Ty flipped a coin and counted how many times it landed on heads and how many times it landed on tails. The frequencies are shown in the following table. Result Number of Times Flipped Heads 26 Tails 30 Based on the experiment, what is the probability of landing on heads? Enter your answer as a fraction, like this: 42/53ur answer as a fraction, like this: 42/53 The measure of how much salt will dissolve into 100g of water is. Which supporting reason for this claim is most likely meant to appeal to anaudience of business owners?Claim: We should build a golf course outside of town.A. The golf course would offer locals and visitors a place to exercise.B. The golf course would encourage tourists to come to our town.C. The golf course would be home to several types of birds andreptiles.O D. The golf course would provide free lessons to local children.SUBMIT PLEASE HELP! 8th grade math What is the y-intercept (b) of the line with the equation y=3x+4 Help please its due tommorow and I dont know how to do it What are some differences of a credit and debit card? Whats the correct answer 22.40 tourists are coming from Switzerland to visit Mt Everest. They planned to stay at Everest base camp for 4 days. For this purpose they ordered some squared base pyramid tent in Nepal. A tent can holds people and each person have o fitx3ft space on the ground withi 48 cu. of air to breadth. Find the total cost of all tents at the rate of Rs.560 per feet square grade 5 classify the quadrilateral Bertie Beetle walks so that he is the always exactly the same distance from Crumb A and Crumb B when and how can use general and specific statements in our daily lives ? Translate please I need help translating this please read the rules How does ice carve large valleys out of mountain rock? PLS HELP _______exists when a figure can be reflected such that a pre-image and the image are the same(will give brainliest) Please help, and if you do, please answer all three questions. 30 points!! Everything is listed below!! Please help I need it badly