PLEASEE I NEED HELP WITH MATH

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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?

X2 + y 2 = 36 x + y = 6 solve the system of equations.