A hotel has 480 rooms. Of these rooms, 4/5 are non-smoking. How many rooms are ... a. nonsmoking? b. smoking?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

An architect is making a model version of your house. she plans to use a 1: 25 scale, which means every inch on the model equates to 25" on your house. if a part of the model measures 7", what would the corresponding measurement be on your house? convert this measurement to feet and inches.

One-fourth of a number is 14. find the number.