Two-thirds of the students in Harry’s math class and three-fifths of the students in Amani’s math class are boys. Which question about the classes is best modeled with a division expression? If there are 12 boys, how many students are in Harry’s class?
If there are 24 students, how many boys are in Amani’s class?
What fraction of the students in Harry’s class are girls?
What fraction of the students in Amani’s class are honors students if the fraction is equal to StartFraction 5 Over 4 EndFraction the fraction of students who are boys?

Arguably one of the most important inventions of the 20th century was a) the transistor. b) air conditioning. c) the vacuum cleaner. d) radio broadcasting.

Analyze the quotation below in the context of european exploration in the americas. as you read the quote, think about what it says about columbus's motivations to explore. was he interested in gaining knowledge, wealth, or both? how did his motivations influence how he treated the people already living in the americas? i did not try to examine them in detail, because it could not be done in 50 years. for my desire is to see and discover as much as i can before returning to your highnesses, our lord willing, in april. it is true that in the event of finding places where there is gold or spices in quantity i should stop until i had collected as much as i could. i, therefore, proceed in the hope of coming across such places.

Why would southern delegates to the constitutional convention have opposed the three-fifths compromise? a) they feared that the president would eventually become "king" in the united states. b) they believed it would be insufficient in protecting the united states from invasion. c) they opposed the creation of a congress that would give states an equal number of senators. d) they wanted their full population of slaves to be counted for purposed of congressional representation.