What is the solution to the system of equations graphed below?

These question are hard can you me with answers

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

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab