Answer:
a - 30.2
b - 271.8
Step-by-step explanation:
60/4=15
60/3=20
9+6.45+2.4+8.15+4.2=30.2
30.2x9=271.8
Answer:
D) 1
Step-by-step explanation:
When you start raising i to certain powers, you begin to notice a pattern.

This cycle repeats forever. Since 84 is a multiple of 4, i^84 must be 1. Hope this helps!
Answer:
-33c+22d
Step-by-step explanation:
=(−11)(3c+−2d)
=(−11)(3c)+(−11)(−2d)
Answer:
156
Step-by-step explanation:
Answer:
28.26ft
Step-by-step explanation:
A=πr^2
π*3^2=28.27433
28.26