Answer:
I know the answer
Step-by-step explanation:
x = random number then y = x + y then x = 68 So we can conclude
Answer:
x^2+15x+7
Step-by-step explanation:
There are no like terms.
Y = 2x
y = 2*(-15) = -30 . . . . . selection A is appropriate
Answer: last one.
Step-by-step explanation: