Carl earns a commission rate of 6% for the first $6,500 in sales and a 9% on sales over $6,500, Find the total graduated commission on sales of $10,500.

Brent wants to know what is 5 x 1/2

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Find the commission on a $590.00 sale if the commission is 15%.