it takes 3 hours 15 minutes to fly from city A to B at a constant speed. find how long the journey takes if the speed is three- quarters of the original speed.

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.