Answer:
21.98
Step-by-step explanation:
first you think about the equation for perimeter. P=d(pi)
then you multiply your radius by 2 and that is 7 so you multiply 7 by pi (3.14)
that is the number of feet. so then you multiply your number of feet by your cost per foot and you get 21.98
Answer:
He will save 590 dollars by the end of the year
40 degrees - 32 degrees = 8 degrees
8 degrees divided by 1.8 = 4.4444444 degrees
to divide add a decimal point and zero to the 8 and move the decimal point 1 place to the right in 1.8 and in 8.0 and divide from there