Question

Pllssss heelllppppp thxxxxx

Answer 1

1) 7.5
2) 43.98cm
3)153.94cm^2
4) 21units^3

Explanation:

5/2=2.5
3*2.5=7.5
d
`\pi`
14
`\pi`=43.98cm

`\pi`r^2
49
`\pi`=153.94
2*3=6
6/2=3
3*7=21