There are 9800 films on netflix. 11% of the films are romance. how many films are romance?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?