hannah orders 5 hamburgers and 3 drinks for $21. John orders 4 hamburgers and 5 drinks for $22. write a system of equations to find the cost of a hamburger and the cost of a drink

To decrease an amount by 16% what single multiplier would you use

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?