Solve the inequality for w

simplify your answer as much as possible

what is the

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Find the difference in altitude of 2149 feet and a desert valley that is 184 feet below sea level