In an experimental design, the variable the researcher has control over and
that is different for the treatment and control groups is called the

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%

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

Which two angles in the figure are adjacent angles?