Answer:
The y co-ordinate is 9
Step-by-step explanation:
We simplify the expression given by the formula;

Just simply multiply and then add'
15*.05= .75 so .75 was added to the price
now add
.75+15= 15.75
So the answer is $15.75
Answer:
A = 81 pi ft^2
Step-by-step explanation:
The area of a circle is found by
A = pi r^2
The radius is 9
A = pi 9^2
A = 81 pi ft^2
It would be D because -27/3=-9 and -9+14=5