What is the area and the basic shapes?

What is the rotational symmetry of a wheel

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?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers