9. In certain scholl, 20% of students are below 8years of age. The number of std above 8 yrs of age is 2/3 of the number of std of 8 age which is 48. what
is the total number of std in the school?

Can some one me with these questions

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?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.