Plz i will mark brainliest A house has 12 rooms, a cleaner has to clean 12 rooms every day, but she can't go to a room 2 times, she needs 1 number to do her job, what is the number

How do i do this activity, is appreciated

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

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?