-0.2 + 7/10 Enter the answer as an exact decimal or simplified fraction.

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.

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

Someone answer this check out the image!