Given a = -3 and b=4 and c=-5, evaluate a+b/c

-1/5
1/5
-7/5

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Determine the solution for mc001-1.jpeg

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