Use the graph of the rational function to complete the following statement

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?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.