Aset of silverware contains 30 pieces. this set contains only spoons, forks, and knives. the set contains the same number of spoons and forks, and twice as many spoons as knives. how many forks are there in the set?

What is the total surface area of this square pyramid?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Which expression is equal to (f+g)(x)?