Answer:
B
Step-by-step explanation:
First, you need to substitute the value of x in all of the x spots.
2x+3
2(3)+3. Us PEMDAS to solve the problem.
6+3
9
Answer:
I think it's graph C and graph D
Answer:
Y=x^2-2x-8,x , x=r
Since the sum of two numbers is 67
and one number is p
so the other number is (67-p)