Answer:
the short piece is 9 feet and the long piece is 20 feet
Step-by-step explanation:
29-x=2x+2
27=3x
x=9
29-9=20
21?
idk
7,600
both parents invest 7,600.
7,600x2= 15,200
there are 2 girls so divide 15,200 by 2 and u get 7,600
3x^2 - 15x + 3x - 15
3x^2 - 12x -15
(Option C)
The volume of the composite figure is: