Use the figure below to answer the following question(s).
In which graph does each vertex have the same degree?
A. Graph 1
B. Graph 3
C. Graph 4
D. Graph 2
E. none of these
Answer: A
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Provide an appropriate response.Solve the system of equations using the substitution method:3x + 4y = 172x - 5y = 19
A. (2, -3) B. (7, -1) C. dependent; many solutions D. inconsistent; no solution
Find the area of the geometric figure.
A. 270 sq m B. 280 sq m C. 275 sq m D. 65 sq m
Solve the equation.
n + 
= 
A. - 
B. 
C. 
D. 9
The Social Security (FICA) wage base (in thousands of dollars) from 1996 to 2001 is given in the accompanying table:
Find an equation of the least-squares line for these data. (Let x = 1 represent the year 1996.) Please round the coefficients
in your equation to three decimal places. Use the result to estimate the FICA wage base in the year 2005.
a. y = 3.587x + 58.368; $94,238
b. y = 3.574x + 58.440; $94,405
c. y = 3.574x + 58.440; $94,180
d. y = 3.587x + 58.368; $94,132