Converse's price for a new pair of "Chuck Taylor's" is $65. If it costs Converse $45 to manufacture its
sneaker, what is the approximate markup in the
price of the shoe?

Find the value of x for which the lines are parallel.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second