Somehow the bookstore was able to sell 2 copies of its worst seller, Algebra for the Holidays!, at the full price. They then had to sell the remaining 3 copies at one forth the full price just to get rid of them. If the bookstore’s total sales price for this book (discounted and full-priced versions combined) were $55, what did the book sell for at full price?

What term makes it inconsistent y=2x - 4

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?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units