Janet can shovel snow from her driveway in 55 minutes. Bill can do the same job in 45 minutes. How long would it take Janet and bill to shovel the driveway if they worked together?

Standard deviation of 19,29,21,22,23

Evaluate the expression. (9 + 5)(3 + 2)0

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.