The cost of directly proportion to its mass.6 Kg of fish cost 24 . find the cost of 8 kg of fish

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319