A concrete pillar has the shape of a cylinder . It has a diameter of 4 meters and height and of 8 meters. If concrete costs $113 per cubic meter , how much did the con create coast for a pillar ?

What is the greatest common factor of 6a, 8a^{2}, and 14?

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?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°