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)

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.