Question

Help on 10,14 and 15 plzz

Answer 1

10. 4(3d - 2) = 8d - 5
12d - 8 = 8d - 5
12d - 8d = 8 - 5
4d = 3
d = $\frac{3}{4}$

14. I need the picture of the square and triangle.

15. V = $\frac{1}{3}$Bh
3V = Bh
$\frac{3V}{h}$ = B