Caleb scored 15 points in the first round of a game. He then lost 40 points in the second round. In the final round he earned 50 points. What was Caleb’s score at the end of the game?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

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.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?