Find the slope of the polar curve at the indicated point.r = 1 - sin ?, ? = 
A. undefined
B. 2
C. 
D. 
Answer: A
Mathematics
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Find the divergence of the field F.F = 2x7i + 2xyj + 3xzk
A. 19 B. 14x6 + 5x + 19 C. 14x6 + 2y + 3z D. 14x6 + 5x
Mathematics
Use inductive reasoning to predict the next line in the pattern.(1 × 9) - 7 = 2(21 × 9) - 7 = 182(321 × 9) - 7 = 2882
A. (4321 × 9) - 7 = 38,882 B. (4321 × 9) - 7 = 28,882 C. (432 × 9) - 7 = 38,882 D. (4321 × 9) - 7 = 3881
Mathematics
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Mathematics
Find the measure of the indicated angle.Two angles of a triangle are 15° and 54°. Find the third angle.
A. 291° B. 21° C. 69° D. 111°
Mathematics