Answer:
32
Step-by-step explanation:
77-45= 32
Answer:

Step-by-step explanation:
When simplifying an exponent a way to do is to expand the exponent. This means that it will now be

Whenever you see an x or y on the numerator and denominator cross it out because it is the same thing as 1
When you cross out all of the x's and y's the only variable left is y in the denominator. This means that the answer is 
Answer:
D: -1/12
Step-by-step explanation:
Answer:
240 feet
Step-by-step explanation:
i multiplied 6
inches and 40 feet.
(72/80)x90=81
Divide seventy-two by eight and multiply it Ninety.