63
You take 180 subtract 54 and divide it by 2 that gives you the answer.
Answer:
10b+40c
Step-by-step explanation:
10(b + 4c) you have to multiply 10 by each member
10b+40c
Answer: you subtract the angles by the one you are trying to solve
Step-by-step explanation: learned about it in 6th grade

Substitue 2x for y in the second equation:

Rearrange to

form:

Factor:

Zeros are

and

To find y-coordinates of pts of intersection, plug these x-values into first equation to get

and