Answer:
149*
Step-by-step explanation:
The interior of a triangle equals 180*
63 + 86 = 149
180 - 149 = 31 (the missing value of the triangle.)
The line is also equal to 180*
180 - 31 = 149*
I hope this helps! :)
Answer:
B (-1,0), (3,0)
Step-by-step explanation:
Quadratic Formula
18a +6 - 30 = 6a-4
12a -30 =-10
12a=20
a= 5/3
Would me first one A because I just in the math and it should be right!