Select all that apply.
Which of the following statements are always true of parallelograms?
It is a quadrilateral
It has right angles
Both pairs of opposite sides are parallel
The sides are all the same lengths
All four angles are congruent

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0