How do you use proofs to show that triangles are congruent

When solving an inequality, when do you reverse the inequality sign? A) never B) always C) when there is a negative in the answer D) when you multiply or divide both sides by a negative

A pack of cinnamon-scented pencils sells for $4.00. What is the sales tax rate if the total cost of the pencils is $4.20?

What number is one fifth of one fourth of one ninth of 900? 2 3 4 5 6 7 none of these i don't know?

If y = 5x - 2 were changed to y = x - 2, how would the graph of the new function compare with the first one?

Find the unit rate 4 engines and 16 box cars

In a large bag of skittles®, each of the 5 colors (red, orange, yellow, blue, green) occurs with the same probability. you reach in and select 1 candy. find p (orange or red)

Complete this statement 18x^3a+30xa^2=6xa ()

What is seven thirds plus twenty three sevenths

Name three real life situations in which you would use a positive number

A gardener is planning to fill her garden with mulch. She plots it on a grid to plan how much she will need. The garden is in the shape of a rectangle with vertices at (2, 5) (8, 5) (8, 3) and (2, 3). One bag of mulch covers 6ft2 and costs $5.25.