Laura earned a 91% on her biology test. The class mean was 82% with a standard deviation of 4. What is Laura's z-score?

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges