Convert the units using unit fractions.160 min = 
hr
A. 9600
B. 2
C. 1600
D. 2
Answer: B
Mathematics
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Evaluate the integral.
x dx
A. x cos-1x - 2
+ C
B. x cos-1x - 
+ C
C. x cos-1x - 
+ C
D. x cos-1x + 
+ C
Mathematics
A vector v has initial point P and terminal point Q. Find the magnitude of 
.P(-6, -1), Q(-5, -14)
A. 
B. -24
C. 170
D. 
Mathematics
Evaluate the function 
at x = 1.8. Round to 3 decimal places.
A) 2.700 B) 2.075 C) 2.250 D) 5.203 E) 2.415
Mathematics
Find the reciprocal, if it exists.0.8
A. -1.25 B. -0.8 C. 1.25 D. 1
Mathematics