Use this image to classify each pair of lines. select parallel, perpendicular, or cannot be determined to classify each pair of lines. a. qr & st b. st & qs c. rt & qr d. qs & rt

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?

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

Can you divide 25 into 4 equal groups? explain why or why not.