Simplify your answer as much as possible

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.