Abox contains both cubes and five-sided pyramids. the total number of objects on the box is 17. the total number of sides for the cubes and pyramids is 95. how many cubes are in the box?

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =