Rob has 3 times as msny baseball cards as kiara. together, they have 32 baseball cards. how many baseball cards does rob have

Me find the value of x each figure.

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.