Find the exact value. Do not use a calculator.cos 45°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write a symbolic representation for the linear function f that computes the following.The total number of hours in a week for week x
A. f(x) = 52 B. f(x) = 24 C. f(x) = 168 D. f(x) = 7x
Mathematics
Determine the value of the literal numbers in the given matrix equality.
= 
A. x = -8, y = 6, z = -7, w = -2 B. x = -8, y = -2, z = -15, w = 16 C. x = -8, y = 6, z = 7, w = 1 D. x = -8, y = -10, z = -23, w = 1
Mathematics
Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Find the flux of the curl of field F through the shell S.F = (4y + 3)i - 2xj + (ez - 2)k; S: r(r, ?) = 4 sin ? cos ?i + 4 sin ? sin ?j + 4 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. 192 B. 96? C. -192? D. -96?
Mathematics