The sum of a and 8
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Measures of the angle of r, 31 s (x+4) t (3x+9)

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.