Daniel expanded the expression as shown.

-2(-8x-4y+3/4)=10x-8y-1 1/4

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)