Answer:
x = -1
Step-by-step explanation:
5x + 5 = 0
Subtract 5 from each side
5x+5-5 = 0-5
5x = -5
Divide by 5 on each side
5x/5 = -5/5
x = -1
Answer:
Congruent
Step-by-step explanation:
by definition, the base angles of an isosceles triangle are the same value.
i.e they are congruent.
Answer:
7
Step-by-step explanation:

I hope it helped you
Answer:
C
Step-by-step explanation:
Only option C values add up to 100%