In a class of students, the following data table summarizes how many students play an instrument or a sport. What is the probability that a student chosen randomly
from the class plays a sport and an instrument?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)