Mary wanted to solve the system of equations shown. she first used row reduction to get the system into 2 equations with 2 variables, x and y. she then used her calculator and got the graph shown. what is the solution to her system?

Paper plates cost $8 per package and plastic utensils cost $5 per package. your supplier delivers 15 packages for a total cost of $90.

What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.