Which statement about rectangles is true?

a. all rectangles are squares because all squares are rectangles.
b. all rectangles are parallelograms because all parallelograms are rectangles.
c. all rectangles are squares because all the angles in both shapes are right angles.
d. all rectangles are parallelograms because all the opposite sides of both shapes are parallel.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1