When figuring a tip at a restaurant it is customary to leave:
a. 5%
b. 10%
c. 15% or more

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

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?