Answer:
Negative, because negative plus positive = negative
Step-by-step explanation:
2x + x + 4 = -17 Given
(2x + x) + 4 = -17 Combine like terms
3x + 4 = -17
3x +4 - 4 = -17 - 4 Subtraction property of equality
3x = -21
3x/3 = -21/3 Division property of equality
x = -7
Answer:
The correct answer is D. Trisecting any angle
Not sure what you mean by solve for r^2
but
a/4=r^2
if u wanna go further
r=(a/4)^1/2
