Using Chebyshev's Theorem, what is the standard deviation value for a data set that contains at least 90% of values?
The number of standard deviations is
(Round your answer to one decimal place.)

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.