Which measurement could be a perimeter measure?

24.6 in
36 m2
8.5 ml
12 ft3

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details