The cost of cheese varies directly with the number of pounds bought suppose 3 pounds cost 8.40 Write an equation relating the weight and the cost of the cheese

What is the constant of variation

Find the cost of three pounds of cheese

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list