Which graph contains the points of intersection satisfying this linear-quadratic system of equations? x2 + y2 = 20

x − y + 2 = 0

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

41/17 as a decimal rounded to the nearest hundredth

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!