Perform the indicated operation.(6x4 + 3x6 + 7 + 7x5) - (9 - 5x5 + 6x6 - 8x4)
A. 9x6 + 2x5 - 2x4 - 2
B. -3x6 + 2x5 - 2x4 + 16
C. 9x6 + 2x5 - 2x4 + 16
D. -3x6 + 12x5 + 14x4 - 2
Answer: D
Mathematics
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Find the sum.
A. 
B. 
C. 
D. Does not exist
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a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.a = 12 km, c = 20 km
A. b = 19 km B. b = 20 km C. b = 16 km D. b = 14 km
Mathematics
Convert. When necessary, round the answer to two decimal places.5 feet to inches
A. 20 B. 60 C. 15 D. 180
Mathematics
Factor the trinomial completely.
What will be an ideal response?
Mathematics