He length of a rectangle is 1 inch less than twice it's width. if the width is w inches, which expression gives the length?

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

If i have 20$ and i gave 5$ away how much i got

Can you me find the slope! (30 points)