Find the common difference of the arithmetic sequence. 9, 13, 17, 21, . . a. nine thirteenths b. 4 c. one and four ninths d. 22

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28