Find the greatest common factor of 16, 27, and 20.

answer:

the answer is 1.

step-by-step explanation:

the  common factors for 16,27,20 are −1,1 . the  gcf  (hcf) of the numerical  factors  −1,1 is 1 .

alright well the answers to your question is

2xy/9 hope this have a nice day : )

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.