What is the solution to the equation y-4
y
+4
o
y=-4 and y = 4
y = 0
all real numbers
no solution
o
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r = 78539458390583095803458309458039485093485 or just 3

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.

6 and 24

step-by-step explanation:

6 x 4 = 24