How many of the students in a certain class are taking both a history and a science course? (1) Of all the students in the class, 50 are taking a history course. (2) Of all the students in the class, 70 are taking a science course.

What was the cause of the glorious revolution

What two advances did europeans borrowed from china

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.