The ideal mass for a piece of chocolate is 2.5 ounces the actual mass for a production can vary by at almost 0.08 ounces create an absolute value any quality inn solve it to determine the range of chocolate masses

Find the domain of the following expression: 1/(√x)-2

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?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.