-12/-9=y/-4
cross multiply
-9y=48
divide by 9 on each side
y= -5.33
1 coin is 4 ways
2 coins is 4*3 ways
3 coins is 4*3*2 ways
4 coins is 4*3*2*1 ways
so total is 4+12+24+24=64 sums
A cubic yard is equal to 27 cubic feet.
And one cubic yard is 2 tons.
Step-by-step explanation:
