cornelius shultz's salary is 29,800 he paid monthly. his personal exemptions total 4,000 how much does his employer deduct from each of his paychecks for state income tax of 4 person ?

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?