Hari's weekly allowance varies depending on the number of chores he does. He received $20 in allowance the week he did 16 chores, and $14 in allowance the week he did 4 chores. Write an equation for his allowance in slope-intercept form.

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

How do you solving the solution of each system using elimination?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?