Alan's go kart travels 1750 feet per minute, and barry's go kart travels 21 miles per hour . whose go kart travels faster ? round your answer to the nearest tenth .

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?