Subtract $987.59 from $1,581.06. The difference is?

A. $593.47
B. $603.47
C. $693.47
D. $694.47

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?