Solve the inequality: 8 < x + 2 < 20

select one:
a. ( 10, 22 )
b. ( 3, 18 )
c. [ 6, 18 ]
d. ( 6, 18 )

sum= when you add is how much the whole amount is

distance= when you use angles and it means how far it goes

step-by-step explanation:

this is not the answer this is just a question. is this middle school math?

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.

the answer to that one is b