Answer:
FG = 7
Step-by-step explanation:
5x+2+3x-1=9
8x+1=9
8x = 8
x = 1
FG = 5(1)+2 = 7
28.26
π r² = A
A = (3.14) (3²)
A = 3.14 · 9 = 28.26
D