Pls help ill give brainliest!! :)

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable