Use properties of operations to determine whether 5(n + 1) + 2n and 7n + 1 are equivalent expressions.

Alisha buys 5 boxes of peanut butter granola bars and 5 boxes of cinnamon granola bars. Let p represent the number of bars in a box of peanut butter granola bars and c represent the number of bars in a box of cinnamon granola bars. Jaira and Emma each write an expression that represents the total number of granola bars Alisha bought. Are the expressions equivalent? Justify your answer

  Jaira               Emma

5p + 5c           5(p + c)

Abe is 3 inches taller than Chen. Select the expressions that represent Abe’s height if Chen’s height is h inches. Mark all that apply

Write the algebraic expression in the box that shows an equivalent expression.