Which term best describes the solution of the situation represented by the system of inequalities? (Assume that x >0 and y>0)
2x+y<15
3x + y < 12
f(x, y) - 2x+ 2y
a. unbounded
b. infeasible
C. one optimal solution
d. alternate optimal solutions

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?