6 18. Which angles are supplementary to 21? Which
are congruent to _1? SEE EXAMPLE 2
zalona, 6
1/2
3/4
5/6
7/8

The angles supplementary to 1 are 2,3,6, and 7

The angles congruent to 1 are 4, 5, and 8

Step-by-step explanation:

Angles supplementary to < 1: <2,3,6,and 7

Step-by-step explanation:

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

i need the options

step-by-step explanation: