Darcy uses place value blocks to show a number. she uses 4 thousand blocks and five hundereds blocks. what is the number? how can she use place value blocks to show the number another way? explain.

Use set builder notation to represent the following set: { -3, -2, -1, 0}

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e