9) C.
10)A.
11) $75
Those are all the answers that you needed.
Answer: 4/10
Step-by-step explanation:
2/5 = ?/10 As the amount of pieces correspond to the denominator
As 5x2 = 10
2x2 = 4
The radius of the circle would be 10.19 I hope this helped!! :)
You move the decimal point forward until it reaches the one so it looks like this:
1.4 x 10⁵
the exponent, 5, just tells you how many spaces the decimal point moved.
Your width, in real life being 12, would 2 inches on the plan