Find the unit rate of 42 teaspoons for 6 cups

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05