Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = 2j, v = 8i - 2j
A. 119°
B. 104°
C. 76°
D. -14°
Answer: B
Mathematics
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Evaluate the iterated integral.
A. - 
B. 
C. 
D. - 
Mathematics
Solve the inequality.x2 - 3x - 10 ? 0
A. [-2, 5] B. [5, ?) C. (-?, -2] or [5, ?) D. (-?, -2]
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(w - 3)2 - w2
A. - 6w + 9 B. w + 9 C. w2 + 9 D. - 6w
Mathematics
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. ALAS B. ABLE C. ARMS D. ACTS
Mathematics