Can someone please help me thank you! will mark brainliest!

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?