Ateacher has 21 red pens if the ratio of red pens to blue pens she owned was 3: 1 how many pens did she have in total

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 1, 2−√3

Which shows the graph of the solution set of 3y – 2x > –18?

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.