Mrs. Krober has 18 students in her 4th period class. If \frac{1}{3} 3 1 ​ of them made an A on their math test, how many students made an A?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

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.)

Which situation is an example of an observational study?