Find the midpoint and distance on a number line between 6, -15

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.

36 inches/second = yards/minute how many yards?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?