A coin is tossed 24 times and lands on tails 5 times. This is an example of theoretical probability. True or False?

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =