Given that sin 2x = cos(2x - 30). Find the value of tan x.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so