A store pays $2.50 for an item. Your friend finds the selling price when the markup is 40%. Is your friend
correct? Explain your reasoning.

Combine the information in the problem and the chart using the average balance method to solve the problem.

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2