Bart practice his trumpet for1 1/4 hours each day. how many hours will he practice in 6 days

Pls i’m too dumb to know what i’m doing right now

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily