The temperature in vancouver is -8°c, in montreal it is -4°c, in seattle it is -6°c, and in buffalo it is -10°c. which city is the coldest?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288