Afair coin is tossed 5 times in a row. the exact probability of the coin landing heads exactly 2 times is?
in fractions

Need this asap if anyone can i would be very grateful. if you could show workings that would really

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Which representation has a constant of variation of -2.5