Cole viewed paintings in 3 rooms in the museum. each room had 12 paintings. he viewed paintings in 5 more rooms that each had 9 paintings. how many paintings did cole view at the museum?

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

What is sin 7x/4 ? i need on this urgent trig