Your bedroom needs new carpeting, and you calculated it's square footage to be 80 ft^2. When you took the dimensions to the carpet store, they recommended you buy 96 ft^2. What percent extra is the store recommending?

What is the area of the trapezoid shown ?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?