11, add six and a half to four and a half.
<u>Answer and Step-by-Step explaination:</u>
Area =Length time Width
Area= 21*21
Area=441
Answer:
Step-by-step explanation:
x₁ = 0 ; y₁=0 &
x₂ = 1 ; y₂=2
Slope =

Slope = 2
Answer:
254/324 which is about 78.4%
Step-by-step explanation:
found area of entire square to be 18² or 324
found area of 4-quarter circles - which equals one circle with radius of 9
A = 81π which is about 70
subtracted 324 and 70 to get 254
ratio of shaded to unshaded is 254 : 324
Answer:
16
Step-by-step explanation:
4c + 8
Replace 'c' with 2 and evaluate:
4(2) + 8
8 + 8
16
Hope this helps.