Solve 3p – 5 = 19 What is the constant on the variable side? What is its
inverse? Do to both sides.
What is the coefficient?

p= 8

Step-by-step explanation:

3p-5=19

Add 5 to both sides

3p=24

Divide 3 to both sides

p=8

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.