The answer would be 3x i believe
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Im guessing he answered 30 correct, let me know if im correct
The rate of change of Pete's height from 3 to 5 years can be determined as,

Thus, the required rate of change from 3 to 5 years is 4 in/year.
Answer:

Step-by-step explanation:
Given

Required
Find 

Express 32 as an exponent

By comparison:


So:

Answer: It would be the second option.
Step-by-step explanation:
If angles 7 and 1 are supplementary, so are 5 and 1 because angle 7= angle 5. Supplements are not always equal. Imagine a more acute angle. One would be, say, 30, and the other would be 150. These numbers are different, so it would be the second option.