Tamara purchased 31 cases of tile to use on her bathroom floor. she used 17 cased in her upstairs bathroom and the rest in her downstairs bathroom. write an equation to express how many cases she used in her downstairs bathroom.

Which of the following statement about pascal's triangle are true?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):