A rectangle has a width represented by the expression - 2x + 20. The length of the rectangle is 6 more than twice the width. Which expression represents the area of the rectangle?
A. 8x2 - 132x + 920
B. 8x2 - 136x + 560
c. 8x2 - 172x + 920
D. 8x2 - 184x + 1,040

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.