Find an equation for the line tangent to the curve at the point defined by the given value of t.x = sin t, y = 9 sin t, t = 
A. y = -9x + 9
B. y = 9x
C. y = 9x - 9
D. y = 9x + 
Answer: B
Mathematics
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Estimate the indicated component or components of the vector. Round to an appropriate number of significant digits.
= 494, ? = 34.5°; Find the vertical component of v.
A. 407 B. 127 C. 687 D. 280
Mathematics
Evaluate.11 + 62? 4 - (-4)
A. 25 B. 31 C. 192 D. 159
Mathematics
Factor the trinomial completely.20z2 - 7z - 6
A. (20z - 3)(z - 6) B. (4z - 3)(5z + 2) C. (4z + 3)(5z - 2) D. (20z - 3)(z + 2)
Mathematics
Simplify. 
Mathematics