Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.5x - 8y = 1-10x + 16y =1
A. 
B. ?
C. 
D. 
Answer: B
Mathematics
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Construct a boxplot as requested.The test scores of 40 students are listed below. Construct a boxplot for the data set.
A. 
B. 
C. 
D. 
Mathematics
Calculate the flux of the field F across the closed plane curve C.F = y3i + x2j; the curve C is the closed counterclockwise path formed from the semicircle 
0 ? t ? ?, and the straight line segment from (-2, 0) to (2, 0)
A. - 
B. 
C. 
D. 0
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find sec ?, given that tan ? = 
and ? is in quadrant I.
A. 
B. 
C. - 
D. - 
Mathematics
Find the approximate value of the expression with a calculator. Round your answer to three decimal places.cos-1 (0.6015)
A. 0.925 B. 4.067 C. 5.358 D. 0.645
Mathematics