7th Grade Math - Expressions And Equations - Algebraic Thinking Practice Introduction

Do you support Mia's claim below? Why or why not?

Drea helped her grandmother plant her flower garden. She planted 2 rows of daisies and 5 rows of lilies. Each row had n flowers.

Conrad is laying concrete for the foundation of a garage in the shape of a rectangle.

Erica was trying to solve for x in the equation below, but made a mistake. Click on the first step where she makes a mistake.

Which of the following expressions have x = 2 as their answer? Select ALL that apply.

Ridley currently has $380 and he earns $20 for each car he washes on his block.