19-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 11 feet from the base of the building. how high up the wall does the ladder reach?

Which matrix multiplication is possible?

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?

One integer is 5 more than another. their product is 104. find the integers