Which two units you would use to measure population density? number of people per square meter and number of molecules per liter number of molecules per liter and number of animals per acre number of people per square meter and number of animals per acre number of grams per cubic centimeter and number of molecules per liter

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t