A: When you multiply two numbers, their exponents add.
So,

Since 64^1/2 multiplied by itself is 64, then it is the square root of 64.
B: The area is irrational. 7 * √7 is irrational.
Answer is D because C^2 ×D^2 the * mean ×
Answer:
(mark me brainliest) q=5
Step-by-step explanation:
q would be = 5
and so would the height = 5
here is the rule for 45-90-45
hypotenuse is basically the other two lengths with 
so that is why q would be 5