9more than the product of 51 and a number t

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2