Write an equation of the line containing the point (3,1) and perpendicular to the line 4x - 3y = 4. The equation of the line is?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

It says factor each expression completely 8y+48

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?