Aparachutist's speed during a free fall reaches 80 meters per second. what is this speed in feet per second? at this speed, how many feet will the parachutist
fall during 5 seconds of free fall? in your computations, assume that 1 meter is equal to 3.3 feet. do not round your answers..
speed:
distance fallen in 5 seconds:
ft

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

The measure of an angle is 117°. what is the measure of a supplementary angle?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10