What is the quotient of –10 and –5? –15 –2 2 15

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.