Answer:
3x+15
Step-by-step explanation:
3x+3+12
distribute 3 in for the values in.
parentheses
combine like terms
The Answer of the x value is 45x-56=y
9 of the pennies are not canadian
Answer: P=8s
Perimeter of octagon=8sides(unit value of side)
The answer is 8 cm, i would show work but im in school