An airliner travelling from Paris to Toronto took 7 h to cover the 6300 km trip with a tailwind. The return trip, travelling against a headwind took 9 h. Find the wind speed and the average speed of the plane?

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

on a coordinate grid, point a is at (−4.0, −2.4) and point b is at (4.0, −2.4). point b is a reflection of point a across the –axis. input either a lowercase x or i think is the right awnser

step-by-step explanation:

answer: what statements

step-by-step explanation if you write the statements down then i could you.