Solve the equation by using the quadratic formula.5x2 + x - 5 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.From 6 reggae CDs, 7 hip hop CDs, and 5 CDs of Cuban salsa music, in how many ways can George select 2 reggae CDs, 3 hip hop CDs, and 4 Cuban salsa CDs and arrange them on a shelf?
A. 952,560,000 B. 756,000 C. 105,840,000 D. 2625
Mathematics
Find the prime factorization of the number. Write any repeated factors using exponents.221
A. 132 ? 17 B. 16 ? 15 C. 14 ? 19 D. 13 ? 17
Mathematics
Determine whether the sequence is geometric.1, 
, 7, 7
, . . .
A. Geometric B. Not geometric
Mathematics
Find the number of gallons of sulfuric acid in 50 gallons of solution in a tank, if the percent of sulfuric acid is 50%.
A. 25 gal B. 4.5 gal C. 9 gal D. 18 gal E. 50 gal
Mathematics