Answer:
1 + 2 a^n
Step-by-step explanation:
Answer:
138 degrees
Step-by-step explanation:
Angle b and the 42 degree angle right next to it are supplementary angles. That means that 42+b=180
b=138
Answer:
x= -5, 2
Step-by-step explanation:
5x=3x-10. 4x=2x+4
5x-3x= -10. 4x-2x=4
2x= -10. 2x=4
x= -5. x=2
A because both cross on x axis of 2