Write an equation through the point (-2, 5) that is perpendicular to y = x +7

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Use the graph of the sine function y=2sinθ shown below

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?