The price of a pair of shoes increases from $55 to $77. what is the percent increase to the nearest percent?

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Evaluate cos2θ for cosθ = square root of 3/2