Use an inequality symbol to write the given statement symbolically.-x is positive
A. -x ? 0
B. -x > 0
C. -x ? 0
D. -x < 0
Answer: B
Mathematics
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Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 1
B. B(t) = 
, ? = 0
C. B(t) = 
, ? = 1
D. B(t) = 
, ? = 0
Mathematics
Solve the problem. Round to the nearest cent.Find the present value that will generate $4900 in 2 years paying an APR of 4% compounding annually.
A. $5299.84 B. $369.67 C. $4530.33 D. $4711.54
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 8x
D. 
Mathematics
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.Numbers of sales of cakes at a bakery
A. Integers B. Rational numbers C. Natural numbers
Mathematics