Allison has 4 1/2 cups of sugar. she used 2/3 of it to make cookies. how much sugar did allison use for the cookies?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.