A survey was conducted of 457 teenagers. 35% of the teenagers said they occasionally smoked cigarettes.

A. Find the margin of error for this survey.
B. Write a statement about the percentage of teenagers who occasionally smoke cigarettes. (Hint: Think Confidence Interval)

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?