Abank charges a monthly maintenance fee of $13 and a check writing fee of $0.07 per check. last year, mark wrote 289 checks from his account what was the total of all fees paid on that account last year?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Ineed in figuring out this problem.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).