Create an equation to represent the following situation: I am selling rings for $2 and pins for $1. I want to make $40. Let x represent the number of rings and y represent the number of pins.

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.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation