Answer:
2289.06 cm
Step-by-step explanation:
the equation for area of a circle is 
Radius is 1/2 the diameter = 27
3.14 (27^2)=2289.06 cm
Answer:
r=2.5
I hope this helps
Edit: If you need anymore help I can gladly help! :)
Answer:
sorry im middle school we can still hang though
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
using the rule of exponents
= 
substitute x = - 3 into f(x)
f(- 3) = 4(
= 4 ×
= 4 ×
= 
Answer:
the area of the mat = total area added minus the original area of the water color painting.
length of the mat is:
L = 21 in + 3 in + 3 in because 3 in is added to each side
L = 27 inwidth of the mat is:w = 11 in + 3 in + 3 inw = 17in
Area mat = (27 in x 17 in) - ( 21 in x 27 in)
area mat = 108 sq in is the area of the mat