Several students are cleaning cars. they charge $4 for washing and $4 for vacuuming. both forms of cleaning take the same amount of time. they have time to clean 20 cars. they want to raise a total of $80. how many of each types of cleaning should they do? make a system of equations to show the problem. then solve the problem visually or by making a graph.

You can find the constant of proportionality by finding the ratio of

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.

What is the simplified form of square root of 400 to the 100th power ?