A circular backyard pool has a diameter of 30 feet and is 5 feet deep. One cubic foot of water has a capacity of approximately 7.48 gallons. If water coast $4 per thousand gallons, much much, to the nearest dollar, will it cost to fill the pool?

It will cost $105.69 to fill the pool.            

Step-by-step explanation:

We are given the following in the question:

Diameter of pool, d = 30 feet

Radius, r =

Height of pool, h = 5 feet

Volume of pool = Volume of cylinder =

One cubic foot =  7.48 gallons

Capacity of pool =

Cost of water =  $4 per thousand gallons

Total cost of water of pool =

Thus, it will cost $105.69 to fill the pool.

For 15 to 20, change the equation from y=mx+b into mx-y=-b
Example: 15) y=-5x+2 into -2=-5x-y or 2=5x+y
For 21-29, the numbers in the parenthesis are coordinates (x, y) so uh the equation y=mx+b plug in the m that is given and x and y and then solve for b to complete the equation
Ex: 21) (-8,3) m=2
Y=mx+b
3=2(3)+b
3=6+b
-3=b
So y=2x-3
Do the same to the others