Select the more reasonable temperature for the item.An ice maker20°C20°F
A. 20°C
B. 20°F
Answer: B
Mathematics
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Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
2u - z - w 
A. 
B. 
C. 
D. 
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. x2 - 2x + 1 + (y + 3)2 = 49
A. (h, k) = (3, -1); r = 49 B. (h, k) = (1, -3); r = 7 C. (h, k) = (-3, 1); r = 7 D. (h, k) = (-1, 3); r = 49
Mathematics
The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cot t.
A. - 
B. - 
C. 
D. 
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log(3 - x) B. y = log(x - 3) C. y = log x - 3 D. y = 3 - log x
Mathematics