A class has 20 kids, 12 male kids and 8 female kids. The teacher selects 2 kids at random. Calculate the probability that the teacher selects: 2 female's (leave as fraction)
2 male's (leave as fraction)
A male first and female second (leave as fraction)

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Which one is the correct answer, and why?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i