Find the foci of the ellipse with the equation x^2/144+ y^2/100=1

What is the equation of the graph below? y=sec(x)-4

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?