Richard goes to the electronics store. he buys 2 memory cards that cost $8.99 each and 3 packages of batteries that are on sale for $7.47 each. he also buys a case for his cell phone for $2.99 and a wireless headset for $29.99. what is the total cost of richard’s items, before sales tax?

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.