The answer d)
Explaining
y = -18 + 3
y= -15
Answer:
314 square feet
Step-by-step explanation:
we know that
The area that will be covered by the spray of the quarter-circle sprinkler head, is equal to the area of a quarter circle with radius of 20 feet
so
The area of a quarter circle is

we have


substitute

Answer:
Look Down
Step-by-step explanation:
1) x=9
2) x=12
3) x=12
4) x=12
5) x=11
6) x=11