A, B, C, and D is a rectangle. Alicia's plan:
• Find the slopes of the four sides.
• See if the slopes of adjacent sides are negative reciprocals of each other.
Tyrell's plan:
. Use the distance formula to find the lengths of the sides
. Then see if the side lengths of opposite sides are the same.
Which student's plan will work?

Which of these choices show a pair of equivalent expressions?

The function show two sisters' savings account and the rate at which they plan to deposit money

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.