Answer:
somewhere on the y axis so ig -4,-2?
Step-by-step explanation:
sorry if this is wrong but i think the answer is 21
Answer:
x=16
Step-by-step explanation:
Answer:

Step-by-step explanation:
Volume =

r=4
h=3
Answer:
15°
Step-by-step explanation:
sum of exterior angles=360°
each angle=360/24=15°
b
20 ×n=360
n=360/20=18
18 sides
c.
(n-2)×180=174n
180n-174n=360
6 n=360
n=360/6=60
number of sides =60