Find an ordered pair to represent 7 in the equation
3ū-5 if ū = (-1, 4) and = (3, -2)

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.

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?