Help please and ill like

Which of the following expressions is equal to 2x^2+8

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

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.)