Answer:

Step-by-step explanation:



Exact form: 3/2
decimal form:1.5
mixed number: 1 1/2
It is 54 because you have to do 9 multipied by 6 because a hexagon has 6 sides therefore it is 54
Marie is 5 years old
4m - 2l = -10 ------- x
l = 3m ---------------- y
sub y into x
4m - 2(3m) = -10
4m - 6m = -10
-2m = -10
m = -10/-2
m = 5 years old