The answer would be 40.2 I'm pretty sure I'm right. I hope I helped!
Answer:
30
Step-by-step explanation:
since the 2 sides are congruent, the two angles are congruent, so
75+75+ x= 180
150+x=180
x=30
Answer:
the ration is 2:1 when simplified
Answer:
x=-10
Step-by-step explanation:

Add 11 on both sides.

The standard form is 21x-y-7=0