3. An adult can take 400 mg of ibuprofen. Each hour, the amount of ibuprofen decreases by 25%. How much ibuprofen is left in the system after 6 hours?

12 grams to kilograms

45600 pounds = kg *Round UP to the nearest 10th

Madeline has an annuity that pays $7902 at the beginning of a time twice a year. If the economy grows at a rate of 3.

Find the zeros of polynomial function and solve polynomials equations. f (x) = 72x^4-9x

3x+6x+4=14x-6 what Is x?

Solve the system of equations by elimination. x-4y=-31 -7x+6y=41

Between them, Terry and Shelley have 50 cassettes. If Shelley has more than two thirds as many cassettes as Terry, at least how many cassettes does Shelley have? At most how many does Terry have?

The county fair charges $1.25 per ticket for the rides. Jermaine bought 25 tickets for the rides and spent a total of $43.75 at the fair. Jermain sepnt his money only on ride tickets and fair admission.

Write3/16 as a percent

Two dimensonal shapes