Answer:
it would be A
Step-by-step explanation:
Because Coaster A is TWICE as large as coaster B 15+15 is 30
The answer is 71.
You add all of the numbers to get 289. Then you take 360-289 and get 71.
Answer:
2 2/3 cups of sugar
Step-by-step explanation:
If your ratio is 3 flour to 4 sugar, and you use 2 cups of flour, set up your proportion as follows:

Cross multiply to get 3x = 8 and x = 8/3 which is 2 and 2/3 cups of sugar.
The answer would be A. 21 because 21/7 would equal 3
The surface area is 358.2 inches ^2
Hope this helps :)