Carmen needs to buy some pencils. Brand A has a pack of pencils for . Brand B has a pack of pencils for . Find the unit price for each brand. Then state which brand is the better buy based on the unit price. Round your answers to the nearest cent.

Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Is a positive integer raised to a negative power always positive