If a population has 824 subjects, then about how many would have characteristics in the upper quartile?

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Which graph represents the function g(x) = |x + 4| + 2?