A van travels 280 miles on 14 gallons of gas. Find how many gallons the van needs to travel 380 miles.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

What is x3+3x2−16x−48 divided by x−1?