Ten catalogs in envelopes weigh a total of 27 1/2 ounces. What is the weight in ounces of one catalog and one envelope?

Simplify - 2 (4x+v) - (+6v+2x)

The line parallel to y=-4x+3 through (6,-8)

Can the base of an exponential function be negative

What is the value of the expression? 2 (-5.25)

What is the slope-intercept form of the equation y - 7 = - 5/2 (x+4)

Row counted a total of 40 white cars and yellow cars there were nine times as many white cars as yellow cars how many white cars did Ralph account

How do I solve c=2πr

Prove that the value of expression 97+312 is divisible by 90.

Steve ordered Plastic cases for storing his baseball cards each case has a length of 12 cm a width of 6.5 cm and a height of 1.25 cm what is the volume in cubic centimeters of one baseball card case

Zareen has 24 minutes to work on her math homework, and each problem is taking her 2/3 of a minute, on average, to complete. Which expression can be used to determine the number of math problems she will be able to complete in the time she has?