Find the measures of the sides of △DEF, then classify it by its sides. D(-2,3), E(5,5), F(-4,10).

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

Graph the line with the given slope m and y-intercept b. m=-3,b=1

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder