Find the value of r, if P(5, r) = 2P(6, r-1)
answer choices:
a. 3
b.5
c.8
d.11

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

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.