Otis and Andrew each bought a hot dog. Andrew also bought a $3 drink. Write an expression to represent how much they spent if h is the cost of a hot dog

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box