192 students in 4 buses how many students in each bus

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?