126.66 m²
step-by-step explanation:
the pertinent area formula is a = πr², where r is the radius.
here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²
graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best
1 and 0
x² + 11x + 18 < 0
[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2
solution: (-9, -2)