Find the value of the variable that satisfies the equation.
+ 5 = 14
A. x = 173
B. x = 18
C. x = 171
D. x = 81
Answer: D
Mathematics
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Perform the indicated operation.23
- 15
A. 8
B. 8
C. 38
D. 56
Mathematics
Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
Objective Function: z = x + 6y + 5Find minimum.
A. minimum: 27 B. minimum: 37 C. minimum: 21 D. no minimum
Mathematics
A rubber ice-hockey puck has a 3.1 in. diameter. What is the surface area of one flat side of the puck?
a. 7.54385 in.2
b. 9.734 in.2
c. 3.77193 in.2
d. 30.1754 in.2
Mathematics
$2200 is invested at 8% compounded quarterly. Find the amount at the end of 4 years.
A. $3020.13 B. $2993.04 C. $2904.00 D. $704.00
Mathematics