Question

can any body help me? don't say I don't know pls..​

Answer 1

Answer:

36

Explanation:

9×4

they

can find the height of tower

so we can multiple

9×4

Answer 2

Explanation:

BALL 1

h = u x 9 -0.5g(9^2).....i

BALL 2

h = u x 4 +0.5g x (4^2)

SOLVING

h = 180