Help! The answer choices are A. 56 inches sq
B. 25 inches sq
C. 70 inches sq
D. 80 inches sq

Simplify using positive exponents only.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?

Savannah talked for 6 minutes on the phone. catherine talked for n minutes. catherine talked 3 times as long as savannah. how long did nathan talk?