Perform the indicated operations. Write the resulting polynomial in standard form.(x - 7)2 - x2
A. -14x
B. -14x + 49
C. x + 49
D. x2 + 49
Answer: B
Mathematics
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Solve the quadratic equation using completing the square.7t2 = 4 - 2t
A. 
B. 
C. 
D. 
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Translate using numbers and symbols.Six added to a number
A. 6 - x B. 6x C. x × 6 D. x + 6
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Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (-20, 5) and (-4, 7) and the line through 
and 
A. Perpendicular B. Parallel C. Neither
Mathematics
Solve the problem.A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula 
. How long (to the nearest tenth of a second) will it take for the rock to hit the ground (h=0)?
A. 2822.4 sec B. 10.6 sec C. 10.8 sec D. 4.9 sec
Mathematics