Answer: y=-9/8x+7
Step-by-step explanation:
Answer: 25 as a exponent is
.
Step-by-step Explanation: To write a exponent, you figure out the main number and how many times the main number is repeating.
Ex: 91x91x91x91x91x91x91
Main number: 91
Repeating how many times: 7
Final answer: 
Yes, the relationship is proportional. 3 * 3.2 = 9.6. And 5 * 3.2 = 16.
1: right triangle, 2: right triangle, 3: not a right triangle, 4:not a right triangle.