Arnold buys 8/9 pound of ground turkey. he uses 3/4 pound of the ground turkey to make meatballs. how many pounds of ground turkey are left

Can somebody me out with this question

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?

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting