By graphing the system of constraints, find the values of x and y that maximize the objective function. 2 <= x <= 6
1 <= to y <= 5
x + y <= 8

maximum for P = 3x + 2y
A. (2,1)
B. (6,2)
C. (2,5)
D. (3,5)

The parabola opens: y=√x-4 (principal square root) up down right left

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?

Can someone me out here number 4 plz