How do I find y-intercept on a graph??

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.