Write the expression as a product of two factors. 2 * 1 + (1+7) + (7*2)

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In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?