Multiply and simplify. Assume that all variables represent nonnegative numbers.2
? 2
A. 12x
B. 12x3
C. 12x3
D. 4x3
Answer: C
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Perform the indicated operation and express with the proper accuracy and precision. The first number given is approximate and the second number is exact. (Use calculator if needed).9.47 ÷ 4528
A. 0.00209 B. 0.0 C. 0 D. 0.00209143
Find the indicated quantities for the appropriate arithmetic sequence.If a person puts 1¢ in a piggy bank on the first day, 2¢ on the second day, 3¢ on the third day, and so forth, how much money will be in the bank after 50 days?
A. $0.50 B. $6.38 C. $25.50 D. $12.75
Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
If the legs of a right triangle are both n centimeters, then the length of the hypotenuse is
