4-6 practice the quadratic formula and the discriminant

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 many grams the dog will eat in 3 days?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)