Find the 8th term of geometric sequence {a_{n}, n = 1, 2, 3, . .} with common ratio r = 0.5 and first term a_{1} = 2.

Sandy works at a clothing store. she makes $7 per hour plus earns 15% commission on her sales. she worked 75 hours over the last two weeks and had a total of $2,566 in sales before taxes. which of the following is closest to how much she will earn in hourly wages and commission for those two weeks?

What is the answer to |-2x-5|-|-4+8| and x=7

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?