Gary challenged his sister, Mary, to try and beat his final score of 32 pennies. After tossing 20 pennies, Mary made 9 in the can. If Mary continued to throw pennies until she threw exactly 100 pennies, would
you expect Mary to win, tie, or lose and by how many pennies? Round her expected score to the nearest
whole number

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

How is working backward similar to solving an equation?