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

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.