If a = -1, b = 2, and c = 3, then a + 4b + 20 =

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

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 are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2