Answer:
50ft
Step-by-step explanation:
let x=height of tree.
AB/DE = BC/EC
The ratio is == x/5 =120/12
x/5 = 10
x = 50
Height of tree is 50 ft.
C) 12.75
4x=51
x=51/4
x=12.75
1/125, 1/625, 1/3125
a8=25*(1/5)^7=25/78125=1/3125
