Perform the indicated operation.2 - 72
A. -25
B. 47
C. 25
D. -47
Answer: D
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e2t, y = t
A. 4e4t - 2te2t + 2t B. 4e4t + (2t + 1)e2t + 2t C. 2e4t + (2t + 1)e2t + 4t D. 2e4t + (2t + 1)e2t + 2t
Mathematics
Find the measure of the angles.
?A = (2p)°, ?B = p°
A. 30° and 60° B. 60° and 120° C. 17° and 34° D. 15° and 30°
Mathematics
Find ? to four significant digits for 0 ? ? < 2?.csc ? = -1.409
A. 0.7891, 5.494 B. 8.808, 0.6172 C. 3.931, 5.494 D. 3.931, -3.066
Mathematics
Write the mixed number as an improper fraction.5
A. 
B. 
C. 
D. 
Mathematics