What expression represents"one third of the difference between fifteen and some number"?
a. 15-p/3b. 1/3 p-15c. 3(15-p)
d. 1(p-15)/3

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.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c