Let P(x) = F(x)G(x) and Q(x) = F(x)/G(*), where Fand G are the functions whose graphs are shown. (a) Find P (2).
(b) Find Q'(7)

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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 (%)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?