What does gross of something mean?

Suppose you invest 1600 at an annual interest rate of 5.5 percent compounded continuously How much will you have in the account after 25 years? How many brothers and sisters did Edgar have and what were there names? How do you find the length of a diagnol of a square if the perimeter is 64 cm? What three numbers make 165? Is 3 over 10 greater then 2 over 5? Calculate the distance a car would travel at 80 mph for 2.5 hours? What does the incomplete pyramid stand for on the dollar bill? What do you call two angles that equal 180 degrees? An angle is 30 more than its supplement what is the measure of the angle and its supplement? What things come in groups of 15? How many gallons of water in a two inch pipe 90 feet long? How many times can 56 go into 392? Is 27 odd or even? What numbers do 6 and 8 go into evenly? What is 600 plus 489 equals? What is this 9871060540 in words? There is a triangular pyramid with a square base and each triangle face is 58 feet tall and 34 feet wide and covered with white marble how many square feet of marble cover the faces of the pyramid? What is the answer to the math challenge? The difference of 17 and 9? State the main reason for using the empirical rule rather than chebyshevs theorem?