Find the initial population size P(t)=440(0.81)t

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?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

5x−4≥12 or 12x+5≤−4 can you with this problem