karen and kevin collect coins. karen has x coins. kevin has 5 coins fewer than four times the number of coins karen has. Write and simplify an expression for the total number of coins karen and kevin have

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year