Aline has a slope of -4/5. which ordered pairs could be points on a line that is perpendicular to this line? select two options.(–2, 0) and (2, 5)(–4, 5) and (4, –5)(–3, 4) and (2, 0)(1, –1) and (6, –5)(2, –1) and (10, 9)

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?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

We just started the introduction into circles and i have no idea how to do this.