Find the area of a circle with a radius of 8\color{purple}{8}8start color purple, 8, end color purple.
either enter an exact answer in terms of π\piπpi or use 3.143.143.143, point, 14 for π\piπpi and enter your answer as a decimal.

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?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y