Gus bought a pair of sunglasses for $45.00 and then sold them to his friend for $58.50.

What percent did Gus mark up the sunglasses before selling them?

Dominique is thinking about buying a house. The table below shows the projected value of two different houses for three years. House 1 (value in dollars) year 1: 286,000 year 2: 294,580 year 3: 303,417.

Luis has 5 cans of soda. He will buy more cans of soda from the store. The store has 12 cases in stock and each case contains 24 cans of soda. The store will not sell partial cases.

If x² - y² = 55, and x - y = 11, then y = a. 8 b. 5 c. 3 d. - 8 e. - 3

Blair is ordering 150 t-shirt to sell at the school carnival

Does the following system have a unique solution? Why? 4x+10y=57 2x+5y=38

11) For the graph above: a) f (-1) = b) f (x) = - 1; x =

Could 4.1/text{ cm}, 8.4/text{ cm},4.1 cm, 8.4 cm, and 1.3/text{ cm}1.3 cm be the side lengths of a triangle?

1. What does the standard deviation tell us about a distribution?

Solve the system of equations. -10y+9x=-9 10y+5x=-5 x= y=

What is 1x+61 (√100) = f (x)