Audrey has $120 dollars to spend on a tennis racket and lessons. the racket costs $45 and the lessons cost $15 dollars per hour. define a variable. the write and solve an equation to find how many hours of lessons she can afford.

What aspects of lines have to be diffrent

Which is a graph of a proportional relationship?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?