Write the number in scientific notation.790,000
A. 7.9 × 105
B. 7.9 × 10-6
C. 7.9 × 10-5
D. 7.9 × 106
Answer: A
Mathematics
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Solve the equation.-9b + 9 + 7b = -3b + 14
A. 5 B. -9 C. -14 D. 14
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Solve the equation symbolically.8x - (3x - 1) = 2
A. 
B. 
C. - 
D. - 
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Solve the problem.George Higgendorf sells used books. He had start-up costs of $2800 and pays $2.75 for each book. He sells each book for $5.00. Express the revenue R as a function of x, where x represents the number of books sold.
A. R(x) = 2800x B. R(x) = 7.75x C. R(x) = 2.75x D. R(x) = 5.00x
Mathematics
Solve quadratic equation by factoring.25x2 + 35x + 12 = 0
A. - 
, - 
B. 
, 
C. - 
, - 
D. 
, 
Mathematics