Trey is buying peach and blueberry yogurt cups. he will but at most 8 cups of yogurt. let x be the number of peach yogurt and y be the number of blueberry yogurt cups he buys.

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

The product of two negative rational numbers is always zero sometimes zero never zero

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.