An airplane flying with the wind takes 4 hours to travel a distance of 720 miles. The return trip takes 6 hours flying against the wind. What is the speed of the airplane in still air and how fast is the wind blowing?

What is the 12th term of b(n)=-4-2(n-1)

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Solve -.016x= -16. need solving this