What is the solution of the system?

{5x−y=−21
{x+y=−3

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?