HELP :(
find the value of x ​

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?