Don has two jobs . for job 1, he earns $7.55 an hour. for job 2, he earns $8.45 an hour. Last week he worked at the job 1 for 10 hours and at job 2 15 hours . what were his average earnings per hour?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which expression gives you the distance between the points (5,1)and(9,-6)

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: