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If a data set is approximately normal with a mean of 30 and a standard deviation of 2.5, about 95% of the data falls between which 2 values?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

Solve for x, y, and z. show all steps.