12) the radius is 15 so with the equation (3.14)*r^2, we get (3.14)(15^2)=706.5
13) true, true (if x=4), true
14) y=0.75x+4.50, $8.25
The answer is D I think. I'm not really good with math oof
If a=c and b=c then a=c this is transitive property
The answer is C. Have a nice day.
Answer:
Go look on M a t h w a y
Step-by-step explanation:
M A t h w a y