Solve.x = 
+ 7
A. 12
B. 3
C. 3, 12
D. -9
Answer: A
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Determine the values of the given functions as indicated rounded to four decimal places. Find cos 105° by using 105° = 60° + 45°.
A. -0.2588 B. -0.7071 C. 0.2500 D. -0.9659
Mathematics
Calculate the flow in the field F along the path C.F = ey2i + 
j + 4k , C is the curve r(t) = 6t2i + 3tj + (-6 - 4t)k , 1 ? t ? 3
A. 
(e81 - e9) + ln 3 - 32
B. 6(e81 - e9) + ln 3 - 32
C. 
(e81 - e9) + ln 3 + 32
D. 
(e81 - e9) + ln 3 - 32
Mathematics
Provide an appropriate response.Determine if the expression (-5)-5 is positive or negative.
A. Negative B. Positive
Mathematics