A 4-kilogram bag of birdseed costs $12.69. What is the unit price, rounded to the
nearest cent?

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?

What is the inverse of the function f(x) = 2x + 1?

What is the simplified form of square root of 400 to the 100th power ?