4. 21 and 22 are supplementary angles. m2 1= 11a+19. m
2 = 6a - 9. find m22

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2