Factor the polynomial by grouping.7x2 + 16x - 15
A. (x - 3)(7x + 5)
B. (x + 3)(7x - 5)
C. (x - 5)(7x + 3)
D. prime
Answer: B
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Solve the problem.The bar graph shows the combined benefits /deficits of a company for six consecutive years.
Find the average combined amount for Year 3 and Year 4.
A. -$977,000 B. -$488,400 C. -$488,600 D. -$488,500
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.A basketball fieldhouse seats 15,000. Courtside seats sell for $8, end zone for $7, and balcony for 
Total for a sell-out is 
If half the courtside and balcony and all end zone seats are sold, ticket sales total 
. How many of each type of seat are there?
A. 4000 courtside 3000 end zone 8000 balcony B. 3200 courtside 1800 end zone 10,000 balcony C. 3000 courtside 2000 end zone 10,000 balcony D. Cannot be determined
Factor the polynomial.8z2 - 6z - 9
A. (8z - 3)(z + 3) B. (2z + 3)(4z - 3) C. (2z - 3)(4z + 3) D. prime
Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 