Answer:
28.3
Step-by-step explanation:
Use the Pythagorean Theorem to solve for the answer. 10^2 + x^2 = 30^2
2.50$ is the better deal. If you times 0.70$ to 5 it is 3.5$ which is more expensive
C because there are 60 seconds in a minute so if you multiply 600 x 60 you get 36000
