A=10ft because A is 8ft so round that to the nearest ten your answer is 10ft
Answer:
C
Step-by-step explanation:
9x² - 4
can be factored as a difference of squares , that is
(U + V)(U - V)
9x² - 4
= (3x)² - (2y³)²
with U = 2x and V = 2y³
Answer: 60°
Step-by-step explanation: A straight angle is 180°
180°- 120° = 60°
Answer:1
Step-by-step explanation: 1/2 + 1/2 is 1
Answer:

Step-by-step explanation:
![[-5+(-7)]^2-(7+3)^2](https://tex.z-dn.net/?f=%5B-5%2B%28-7%29%5D%5E2-%287%2B3%29%5E2)
Resolving Parenthesis

=> 44