Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 + 8x + 7 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the exact value by using a sum or difference identity.tan (-165°)
A. -2 + 
B. 
C. 2 - 
D. 
Mathematics
Perform the indicated operation
Mathematics
Use the formula for Sn to find the sum for the geometric sequence.1, 2, 4, 8, 16
A. 33 B. 31 C. 32 D. 21
Mathematics
What are the dimensions of a closed rectangular box that has a square cross section, a capacity of 127 in.3 and is constructed using the least amount of material? ?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics