Answer:
12 is the answer
Step-by-step explanation:
area of the merry go round =πr²
=22/7×3²
=28.28
answer is option D
(a) 2*10 = 20
10+20=30
(b) ceil((25-10)/2) = 8
7(x-7)=-15
distribute
7x-49 =-15
add 49 to each side
7x =34
divide by 7
x = 34/7
x = 4 6/7
A
B
Q
D
