20. What are the values of x and y given the following equations? 5x + y = 10
4x + y = 4
A) (6, 20)
B) (-6, -20)
C) (-6, 20)
OD) (6, -20)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping