56. A small square pyramid of height 6 cm was removed from the top of a large square pyramid of height 12 cm forming the solid shown. Find the exact volume of the solid.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?