Ihave 18 ones, 15 hundreds, 15 tens, and 8 thousands, what number am i ?

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?

Which compound inequality could be represented by the graph?

Which letters from the table represent like terms? a and b b and c a and d b and d