Laura paddles in her canoe at a speed of 5 mph for 5 miles. she then hops on her windsurfer and sails for 6 miles at a speed of 6 mph. for how long does laura travel?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14

There are 1872 steps in a building that has 104 floors. each floor has the same number of steps. a second building has the same number of floors but 2 fewer steps between each floor. how many steps are there between each floor of the second building?