Answer:
87.92
Step-by-step explanation:

c= Circumference
d= Diameter

Answer:
d. 15-(-18)
Step-by-step explanation:
Take the second point and subtract the first point
15 - (-18)
15 + 18
33
The answer is 39 degrees <span />
Answer:
is it 8.75 ?
Step-by-step explanation:
-4 5
---- ---- = (7×5) ÷4
7 x
Answer:



Step-by-step explanation:
(1) (x-2+2i) (x-2-2i)
Multiply each term inside second parenthesis

Combine like terms. the value of i^2=-1


(2) (x+2i)(x-2i)

Replace i^2 by -1

(3) (x+1+i)(x+1-i)
Multiply each term inside second parenthesis

Combine like terms. the value of i^2=-1

