Answer:
13.5
Step-by-step explanation:
2/3=9/x
2x=9*3
2x=27
x=27÷2
x=13.5
14/15
make both bases the same number
5/15 + 9/5
add like normally
choice 3) 11,488.21 cm³
r= 28/2 = 14
volume = 4/3πr3 = 4/3(3.14)(14³) = 11,488.21 cm³
? i had this but forgot it sorry
Answer:77
