An airplane flies 490 miles with the wind and 350 miles against the wind in the same length of time. if the speed of the wind is a fixed 40 mph, what is the speed of the airplane in still air?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field