What is the value of x in (x +5)&2(4x-1)

When the ball has traveled a distance of

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?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?