HELP PLEASEEE Flying against the wind, an airplane travels 3200 kilometers in 5 hours. Flying with the wind, the same plane travels 6300 kilometers in 7 hours. What is the rate of the plane in still air and what is the rate of the wind?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?