Determine whether the polygon is concave or convex​

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

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