Answer:
Not sure what number 1 is but number 2 is true.
Step-by-step explanation:
John will receive $9.80 back
Answer:
see explanation
Step-by-step explanation:
A = πr² ← r is the radius and r =
d ← d is the diameter
Hence
π (
d)² = A, that is
= A ( multiply both sides by 4 )
d²π = 4A ( divide both sides by π )
d² =
( take the square root of both sides )
d = 
Answer:
20 schools(D)
Step-by-step explanation:
600 every 10 years is the right answer