Solve the problem.Calculate the coordinates of the new location of the point (0, -17) when it is rotated 30° counterclockwise about the origin. Remember that it is the matrix 
that rotates a point 30° counterclockwise about the origin.
A. 
B. 
C. 
D. 
Answer: A
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Solve.A company's cost per radio when producing x thousand radios in a month is given by the algebraic expression 
. Find the cost per radio when 
radios are produced in a month.
A. $34 B. $105 C. $65 D. $17
Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.The standard deviation ? of this approximately normal distribution X is approximately
A. 18.37. B. 20. C. 18. D. 18.63. E. none of these
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. 
B. x16
C. -x16
D. 
Solve the problem.Suppose that $2400 is invested at 7% interest, compounded quarterly. Find the function for the amount of money after t years.
A. A(t) = 2400(1.0175)4t B. A(t) = 2400(1.07)4t C. A(t) = 2400(1.07)t D. A(t) = 2400(1.0175)t