whats the answer for use quadrilateral ABCD given that CD is the perpendicular bisector of AB , and AB is the perpendicular bisector of CD. Find the value of y.

What is the upper quartile in the box plot?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2