Answer:
The answer is 15
Step-by-step explanation:
I know and is not stupid
The answer is the second one. 5.2 repeating.
Answer:
C, 40
Step-by-step explanation:
You can set up the equation as 20+4x=180
180 is the total angle of the line
4x=160 and divide each side by 4
x=40
Answer:A
Step-by-step explanation:
Answer:
x 4
Step-by-step explanation:
4x^2 - 64 0 ; move 64 over
4x^2 64 ; divide by 4
x^2 16 ; take square root of both sides
x 4