Find the first, fourth, and eighth terms of the sequence. a(n) = –5 • 2n–1 a. –5; –40; –640 b. –20; –160; –2,560 c. 1; –1,000; –10,000,000 d. –10; –80; –1,280

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Average acceleration: i have no idea how to do this.

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?