Find the difference between the points (-2.9, -9.9) and (-2.9, -5.1)

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?