Evaluate the expression when y = -2
y2 +5y+7

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles