Awooden block in the shape of a rectangular pyramid is shown below: a shaded right rectangular pyramid is shown. if a cross section of the block is cut in a plane parallel to the base of the pyramid, which of the following shapes describes the cross section?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

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Two numbers have a sum of -19. one number is x. what expression represents the other number?