Write an expression that shows how to usethe halving and doubling strategy to find 8 x 50

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges