Solve for x: 5x+9=39​

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?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

9/10 divide by -3/15 as a mixed number