racy has 40 pennies and 100 nickels. she wants to place them all in stacks so that each stack has the same number of coins. each stacks has only one denomination of coin. what is the greatest number of coins in each stack

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

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

How can you tell when x and y are not directly proportional?