Use the elimination method to solve the system of equation

3x+2y=16

2x-2y=4

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

Can someone me and do the problem plz so i can understand it more better

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.