Thomas estimates that he will earn $3,200 in commission this month. He actually earns $3,500. What is the percent error of Thomas’s estimate? Round to the nearest tenth of a percent, if necessary.

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?

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?