If trinangle abc congruent to triangle def and the scale factor from triangle abc to triangle def is 1/5 what are the lengths of de, ef and, df respectively

Do u just plot the numbers on the graph like (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%

Match each inequality to the number line that represents its solution