If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.II, 
A. Positive
B. Negative
Answer: B
Mathematics
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Solve the problem.Find 10% of 700 boxes.
A. 7 boxes B. 0.7 boxes C. 70 boxes D. 700 boxes
Mathematics
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.r(t) = (cot t)i + (csc t)jFind the velocity vector.
A. v(t) = (-sec2 t)i - (tan t sec t)j B. v(t) = (sec2 t)i + (tan t sec t)j C. v(t) = (csc2 t)i + (cot t csc t)j D. v(t) = (-csc2 t)i - (cot t csc t)j
Mathematics
Solve.-2b = 28
A. 30 B. -14 C. -30 D. 1
Mathematics
Complete the identity.sin(3?) sin(5?) cos(3?) cos(5?) = ?
A. 
B. 
C. 
D. cos2(30?)
Mathematics