Solve.Subtract: (9x2 - 14x - 12) - (4x2 + 17x + 8)
A. 5x2 - 10x - 4
B. 5x2 - 31x - 4
C. 5x2 - 31x - 20
D. -46x7
Answer: C
Mathematics
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Solve the problem.Find a vector of magnitude 10 in the direction of v = 15i - 8k.
A. 10(15i - 8k)
B. 
(15i - 8k)
C. 10(i - k)
D. 
(15i - 8k)
Mathematics
Find the acceleration vector in terms of ur and u?.r = a(6 - cos ?) and 
= 4
A. a = 36a( cos ? - 4a + a cos ?)ur + (72a sin ?)u? B. a = 16a( cos ? - a + a cos ?)ur + (32a sin ?)u? C. a = 16a(2 cos ? - 6)ur + (32a sin ?)u? D. a = 16a( cos ? + 6a - a cos ?)ur - (32a sin ?)u?
Mathematics
Convert the base-ten number to a number in the indicated base.13,562 to base eight
A. 32,327eight B. 23,272eight C. 32,372eight D. 23,227eight
Mathematics
Convert the units.10 yd2 = 
ft2
A. 90 B. 120 C. 270 D. 30
Mathematics