Answer: graph №2.
Step-by-step explanation:

Answer: (x+1)(x+2)
step by step explanation:
Answer is 82
substitute z for 9
9^2 = 81+ 1= 82
Answer:
Unknown number, x=-4
Step-by-step explanation:
Forming the equation from the information provided above.
9=2x+17
If we solve for the unknown number, we first collect like terms together.
2x=9-17
2x=-8
Divide both sides of the equal sign by 2 the coefficient of x
x=-4