Which of the following shows 2 + (x + 3y) rewritten using the associative property of addition? a. 2 + x + 3y b. (2 + x) + 3y c. 2x + (3 + y) d. x + (2 + 3y)

An angle that measures between 90 and 180° is called a(,

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?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?