In the middle school debate club, 30% of the members are in sixth grade. If
there are 12 sixth graders in the debate
club, how many total members are
there?

a. 30

b. 36

c. 38

d. 40

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

Graph y = -|x| + 2. click on the graph until the correct one appears.