Solve for the angle ?, where 0 ? ? ? 2?sin2? = 
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. ? = 0, ?, 2?
D. ? = 
, 
, 
, 
Answer: A
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Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A cup of coffee with temperature 103°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 67.3°F. What will its temperature be 18 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 22°F B. 21°F C. 17°F D. 19°F
Perform the indicated operation.
A. 12 B. 9 C. -12 D. -9
Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 0
B. 
= 
C. 
= 
D. 
= 
Complete the statement to illustrate the distributive property.___ ? (3 + 4) = 5 ? 3 + 5 ? 4
A. 10 B. 5 C. 4 D. 3