Evaluate f(2) for each of the following
f={(-6,1),(-2,3),(2,5),(4,6)}

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 parabola opens: y=√x-4 (principal square root) up down right left

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²