Add (y + 2x + 5) + (3y - 3x +1)

To prove p is equal to q using an indirect proof what would your starting assumption be?

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

Acylinder has volume 45π and radius 3. what is it’s height?