It costs Goldilocks $12.50 for supplies to make a teddy bear. It takes her 3 hours to make one teddy bear. If she charges $20.00 per bear, how much money per hour does she make?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

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

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.