Demostrar que los puntos A(-3,3), B(-1,-1) y C (1,-5) son colineales:

AB= 4.47, BC= 4.47 Y AC= 8.94

AB= 5.66, BC= 5.66 Y AC= 11.32

AB=6, BC= 6 Y AC= 12

AB= 5.66, BC= 4.47 Y AC= 10.13

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 difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2