Alistar has an annual income of $25,000. he decides to take classes on line and at night so that he can continue to work. after 3 years he gets his degree and immediately starts earning $32,000 per year. if it takes alistar 6 years to recover his investment for his education, how much did it cost him?
a.
$21,000
b.
$42,000
c.
$63,000
d.
$150,000

4x and 6y

im not sure though

its line 2 i just added the rest or else it wouldn't let me answer

step-by-step explanation:

gym b charges $1.05 less per hour than gym a.

answer: the center is the median and/or mean of the data. the spread is the range of the data. and, the shape describes the type of graph. the four ways to describe shape are whether it is symmetric, how many peaks it has, if it is skewed to the left or right, and whether it is uniform. good luck

step-by-step explanation: