Answer:
4.2 h
Step-by-step explanation:
12 * (50%-15%) = 4.2 h
Area of a rectangle is L * W
L = x
W = 5
5x = 20 (Divide by 5 on both sides)
x = 4
L=4
W= 5
The length is 4cm
Hope this helps :)
The ordered pair that represents a maximum is (5,189)
+ 19 on both sides, -19 becomes 0, 1 becomes 20 x=20