Can i get help on 23?

ngle A=77

Angle B=103

Step-by-step explanation:

∠A+∠B=180 ( supplementary  angles)

3/8 x  +50+x+31=180

3/8 x+x=180-81

11/8 x=99

11x=99*8

x=(99*8)/11 =72

Angle A= 3/8 (72)+50

Angle A=27+50=77

Angle B= 72+31=103

1 3 5

step-by-step explanation:

i took the test: )

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.