which number does not belong and why?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Which statement justifies why angle ebc measures 90?