Simplify and then solve.
= 7 + 20 ÷ 4
A. x = 108
B. x = 48
C. x = 16
D. x = 8
Answer: B
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A delivery truck must deliver packages to 6 different store locations (A, B, C, D, E, and F). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The repetitive nearest-neighbor tour starting with vertex A is given by:
A. A, D, F, E, C, B, A. B. A, E, F, C, B, D, A. C. A, C, D, B, E, F, A. D. A, B, C, D, E, F, A. E. none of these
Find the numerical value of the expression for the given value.
, x = -3
A. 
B. - 
C. - 
D. 
$1800 is invested at 10% compounded quarterly for four years. Find the amount at the end of four years.
A. $2672.11 B. $2520.00 C. $2635.38 D. $1986.86
For problems 1-15, perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. none of these