How do you know that Paolo's and Carla's expressions
are equivalent

Question:Mia babysits some children after school. For each child, she charges x+2 dollars per hour. One day she cared for 2 children for 3 hours each. She paid $4 per child for materials for activities. Two students wrote expressions for the amount of money Mia earned. Paolo wrote the expression 3(x+2)+3(x+2)-8. Carla wrote the expression (3x+6)-4+(3x+6)-4. How do you know that Paolo's and Carla's expressions are equivalent?Solution:Both the expression are equivalent since they represent the amount earned by Mia.

Arectangle is a quadrilateral and a parallelogram.here is all that apply to a rectangle!