Y = -9 help I don’t know what to do lol

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

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

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)