Arthur jackson can run 1,500 meters in about 3 1/2 minutes. how many meters per minute is this?

How do you use the elimination method for this question? explain, because i really want to understand!

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0