Solve the system by graphing.
Solve the system by substitution.
Solve the system by elimination.
Solve the system by elimination.
Solve the system.
Kali and Micaela are selling cheesecakes for a school fundraiser. Customers can buy pecan cheesecakes and chocolate marble cheesecakes. Kali sold 12 pecan cheesecakes and 7 chocolate marble cheesecakes for a total of $118. Micaela sold 9 pecan cheesecakes and 14 chocolate marble cheesecakes for a total of $176. What is the cost each of one pecan cheesecake and one chocolate marble cheesecake?
Sketch the solution to the system of inequalities.
Simplify. Your answer should contain only positive exponents.
Simplify. Your answer should contain only positive exponents.
Simplify. Your answer should contain only positive exponents.
Simplify.
Simplify.
Graph the following equation.
Simplify.
Solve each equation. Remember to check for extraneous solutions.