What is the answer for g=ca, for a

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which shows the graph of the solution set of 3y – 2x > –18?

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?