3. Congruent, 30 degrees
4. 2x+30+50=180
80+2x=180
x=50
2x=100
5. 3x-13+58=90, so 3x+45=90
3x=45 x=15
3x-13=3(15)-13
=45-13
=32 degrees
Answer:
Its B
Step-by-step explanation:
Trust me!
19. B.
20. J.
Hope this helps :P
Y=1 because on each equation it needs 1 for it to be the answer