HELP!!

Which table represents a direct variation function?

a. Input x 1 2 3

Output y 3 5 7

b. Input x 6 9 12

Output y 8 12 16

c. Input x 4 6 8

Output y 7 9 11

d. Input x 3 4 5

Output y 9 16 25

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?