Select the correct answer.
What are the roots of this quartaic equation? -x^2+12x-9=0

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?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply