Use the binomial theorem to expand the binomial.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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An undercover police officer is assigned the job of once a night walking each of the 48 blocks of a certain section of town described by the street grid shown below. The walk starts and ends at A. The officer wants to minimize the total number of blocks he has to walk each night.
An optimal eulerization of the graph representing this problem can be obtained by adding
A. 9 edges B. 12 edges. C. 10 edges. D. 11 edges. E. none of these
Solve the problem.A surveyor standing 60 meters from the base of a building measures the angle to the top of the building and finds it to be 38°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 49°. How tall is the radio tower?
A. 22.14 m B. 7.92 m C. 11.66 m D. 8.34 m
Find the present value of an annuity with periodic payments of $500 semiannually, for a period of 6 years at an interest rate of 8%, compounded semi-annually.
A. $4692.54 B. $800.52 C. $6480.00 D. $8880.00
Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What row operation would you perform next?
A. Multiply row 2 by 1.
B. Add 15 times row 1 to 11 times row 3 to obtain a zero in the third row, second column position.
C. Add row 1 to row 2.
D. Multiply row 1 by 
.