Find the decimal approximation for the radical. Round the answer to three decimal places.
A. -2.460
B. -2.448
C. -2.478
D. -2.469
Answer: B
Mathematics
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Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = -(x + 1)2 + 9
A. -2 and 4 B. -4 and 2 C. 1 and - 9 D. none
Mathematics
Provide an appropriate response.
A submarine locates a ship with sonar. The distance between the two is 3,500 feet. The angle of elevation of the submarine to the ship is 37°. Approximately how deep is the submarine below the ship? 
A. 2,637 ft B. 2,795 ft C. 4,645 ft D. 2,106 ft
Mathematics
Find the LCM.216mn and 108m
A. 1728mn B. 216m2n C. 12mn D. 216mn
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.8z2 - 6z - 9
A. (8z - 3)(z + 3) B. (2z + 3)(4z - 3) C. (2z - 3)(4z + 3) D. prime
Mathematics