Sarah's after-school club has 5 groups of 9 students. Which
of these is a way to find the
total number of students?
A 10 X 4 - 5
B 10 X 5 + 9
C 10 X 5 - 5
D 10 X 5 - 9

In the diagram below, tan θ = sqrt 3. what is the value of m?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?