Y = total cost
40 = The one time fee
90 = the service charge per month
x = number of months
the longer side / the shorter side must be the same for rectangles to be similar.
For A: 105 / 80 = 1.32
For B: 120 / 90 = 1.33
For C: 100 / 75 = 1.47
So... only A and B are similar.
False.
Mixed numbers are a combination of whole numbers and fractions, not decimals.
