Obtain the sample standard deviation

9, 10, 11, 12,13,14,15,16,17

A composite figure is made up of two or more

A square has a side length of five. If another square is created by doubling the side length, what happens to the area of the dilated square? A. The area of the dilated square is the same as the original square. B.

What is the next term of this sequence? - 5, 5, - 6, 6, - 7, 7, - 8, ...

85 out of 350 books in the library are about Mysteries. What percent of the books are Mystery books?

Bescha predicted that she would sell 500 handmade vases at a flower show. When the show was over, she had 50 vases left. What was the percent error in the estimate? Round the answer to the nearest tenth.

5) Damien gets the train home from work 5 days a week. His daily ticket costs £4.20 but a weekly ticket is £18. Calculate the percentage he will save by buying a ticket each week rather than daily.

Denise Robb's account statement shows a $210.94 unpaid balance. With a periodic rate of 1.85%, what is the finance charge? She had new purchases of $341.22. What is the new balance?

Solve the inequality. 2 (4x - 3) ≥ - 3 (3x) + 5x? x ≥ 0.5 x ≥ 2 (-∞, 0.5] (-∞, 2]

Write an equation relating x and y

Jordan starts his day by doing his exercises. Jordan jumps rope for 10 minutes and lifts weights for 30 minutes. Jordan runs 10 miles in 40 minutes, which is 0.25 miles per minute, that is his unit rate.