Simplify.(-42 ÷ 6) - (8 ÷ 8)
A. -8
B. -7
C. 6
D. 7
Answer: A
Mathematics
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Find the median for the given sample data.A new business had the following monthly net gains: 
Find the median net gain.
A. $5776.78 B. $5950.00 C. $5199.10 D. $5844.50
Mathematics
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i + 3j + 4k
A. ? = 113°, ? = 55°, ? = 40° B. ? = 115°, ? = 51°, ? = 33° C. ? = 119°, ? = 43°, ? = 14° D. ? = 112°, ? = 56°, ? = 42°
Mathematics
Find the area of the shaded region.
A. 276 m2 B. 322.5 m2 C. 318 m2 D. not enough information given
Mathematics
Determine the integral by making an appropriate substitution.
A. ln
+ C
B. 
(1 - cos x)2 + C
C. sin x cos x + C
D. -ln
+ C
E. none of these
Mathematics