Khan academy similarity unit test

Use set buikder notation to represent the following set: {, -2, -1, 0}

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

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.)