mr. emmer gave a test in his chemistry class. the scorea were normally distributed with a mean of 82 ans a standard deviation of 4. what percent of students would you expect to score between 82 and 90?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64