For the following set of temperature record during 7 days in Hartford. Find the mean ? 51 degree , 53 degree , 64 degree, 49 degree, 64 degree,54 degree, 50 degree 

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?

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?