Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 9% hydrochloric acid solution. Find the amount of 14% solution and the amount of 7% solution she should mix to get this solution.

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?