A department store sells a pair of shoes with an 80% markup. If she store bought the pair of shoes for 55.25$, what is the selling price to the nearest dollar?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?