The height of a cone is twice the radius of its base.
What expression represents the volume of the cone, in
cubic units?
2/3pix^3
4/3x^2
2pix^3
4pix^3
х

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /