Which of the following represents a sum from the expression given? A. 21
B. 2
C. 13x2
D. 13x2 + 8x

What values of c and d make the equation true?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?