(this is sum by gcf )
15+81= __ +
what is the gcf of 15 and 81

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

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant