A cargo plane flew from the US across the Atlantic at 280 mph, and flew back to the US at 300 mph. Given that the first trip took two hours longer, how long was the return trip?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units