4 3/7 - 2 5/14 Can someone Please Please help me??

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.