The regular price for a pair of shoes is $48. the store is having a buy one get one 1/2 off sale. if you buy 2 pairs of shoes for that price, what percent discount is that?

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

2-digit numbers less than 91 which are 1 less than a multiple of 10

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?