The fourth term of an arithmetic sequence is 141, and the seventh term is 132. what is the first term?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0