Clara and Gloria are selling pies for a school fundraiser. Customers can buy apple pies and lemon meringue pies. Clara sold 6 apple pies and 4 lemon meringue pies for a total of $80. Gloria sold 6 apple pies and 5 lemon meringue pies for a total of $94. What is the cost each of one apple pie and one lemon meringue pie? Solve by substitution not by elimination

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?