Simplify 2x+1-2x/2x+1

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?