Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi
B. 20 mi
C. 6.3 mi
D. 10 mi
Answer: C
Mathematics
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Provide an appropriate response.If cos x is replaced by 
and |x| < 0.3, what estimate can be made of the error?
A. |E| < 0.000001013 B. |E| < 0.000006075 C. |E| < 0.000020250 D. |E| < 0.000003375
Mathematics
Solve the problem.For the function 
at the point 
, find the unit vector for which f is increasing most rapidly.
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i + 
j
Mathematics
Answer the following question involving a conversion within the USCS system.If a horse ran 8 furlongs, how many yards did it run?
A. 42,240 yd B. 7040 yd C. 14,080 yd D. 1760 yd
Mathematics
Factor completely. If the polynomial is prime, so state.64x2 - 48x + 9
A. (64x + 1)(x + 9) B. (8x - 3)2 C. (8x + 3)2 D. (8x - 3)(8x + 3)
Mathematics