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use the expression 9(7 + 2x) to answer the following:

part a: describe the two factors in this expression.

part b: how many terms are in each factor of this expression?

part c: what is the coefficient of the variable term?

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An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?