Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1,
and the zeros 4 and 1 - 15.

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.