Hey yall talk to me! I’m bored✨ Tell me what y’all need help with tho what’s 9+10

HII OMG FREEE POINTS 9+10 IS 19 TYSM I'm bored I'm in class lolll

9 +10= 19 and if u r free all day today then we can talk and if ur not we can still talk lol

Step-by-step explanation:

the answer will be b x² +x-1

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.