What is 8x to the power of 3, divided by 2x to the power of 9?

What kind of bond pays interest which is exempt from tax?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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?