A store manager paid $185 for an item and set the retail price at $275. What was the percent markup?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2