Answer:
The radius is 4 because since the diameter is 8, the radius is half of the diameter.
Multiplying a - and a + equals a - , -8r18
Answer:
c) 72
Step-by-step explanation:
multiply 18 by 4
Answer:
x = 4, -2 1/2
Step-by-step explanation:
factors:
(2x + 5) (x - 4)
set each factor equal to zero:
2x + 5 = 0
2x = -5
x = -5/2
x - 4 = 0
x = 4
Step-by-step explanation:
the answer is:
180-48= 132°
