Answer:B
Step-by-step explanation: The answer is B. 1/6^7. Your trying to find the reciprocal of 6^-7. The way you do that is put a 1 over the 6 with a power of -7 like this (6^-7)/(1) and that's how you get your answer!
Answer:12
Step-by-step explanation:
15^2-9^2=12^2
225-81=144
Answer:
27
30/100 ×90 is 27.
it's making me type more but that's the answer :)
The answer is D. He divided both sides by 5 instead of dividing both sides by -5.
I'm sorry i can't help with all of the math, I do know that the answer for the radius is 4 though.
