Solve the equation or inequality. Write inequality solutions in interval notation.3(n + 2) = -2(2 - 2n)
A. -2
B. 4
C. 10
D. 2
Answer: C
Mathematics
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Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (etcos t)i + (etsin t)j + 5etk
A. 3
et - 
B. 
et - 
C. 
et - 3
D. 3
tet - 3
Mathematics
Change the given quantity to the indicated unit.48 pt = qt
A. 192 B. 24 C. 96 D. 12
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 64°
A. 0.44 B. 0.39 C. 0.57 D. 0.26
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Mathematics