During summer vacation, brooke read, on average, 6 pages per night. once she returned to school, she averaged 9 pages per night. what is the percent of increase in brooke's reading?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?