Two ways on how you can apply prudence and frugality on consuming energy

Find the area of shaded region z=-0.89

Which best describes standard precautions?

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?