Which completes the expression so that you can factor it into the product of two binomials? Show the factorization. x² + x - 15
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A. -2; (x - 3)(x + 5)
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B. 3; (x - 3)(x + 5)
C. 2; (x - 3)(x + 5)
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D. -15; (x - 15)(x + 1)

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.