Solving the systems of linear equations by substitution.

x+2y=6
5x+2y=18​

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2

Adentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is represented by x2+x? 30. a. write a binomial that represents the width of the land.