If the Stanford-Binet IQ test is normally distributed with a mean of 100 and a standard deviation of 20, what percent of the population has an IQ between 90 and 110?

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

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.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?