Classify each expression as a polynomial or not a polynomial. 3x^2−5x^4+2x−12 x^5−5x^4+4x^3−3x^2+2x−1 x^−5−5x^−4+4x^−3^−3x^−2+2x^−1−1 4√x-3+4√x−8x+16 x^3+7x^2+9x−5x^4−20

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

Identify the graph of y = ln x + 1.

How do you use the elimination method for this question? explain, because i really want to understand!