Ben saved $66 and spent $30. what percentage of his money did he spend? round your answer to the nearest whole percent.

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

Which statement about the graph of y = 8(0.25)^2

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?