Answer:
81(x + 2y)(x - 2y)
Step-by-step explanation:

Answer:
12
Step-by-step explanation:
Use the Pythagorean theorem which is a^2 + b^2 = c^2
c is hypotenuse and a and b are the legs
we need to find a^2 so
a^2 + 16^2 = 20^2
a^22 + 256 = 400
then subtract 256 from 400
a^2 = 144
square root 144
= 12
Answer:
Step-by-step explanation:
I knew the answer sir 112 but hmmm I'm only 7 g
Answer:
B) You conclude that the mean height of all Quarter Horses is close to 15.2 hands
Step-by-step explanation: