Please help with this quadratic equations. Do not take for free points. x^2−6x=10

x^2−3x=21

x^2 −2x=46

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.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Find the cosine function that is represented in the graph.