Find the following. Assume that letters can represent any real number.-
A. -25
B. 25
C. 5
D. -5
Answer: C
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Graph the lines and find the coordinates of the point of intersection.3x + 4y = 12 and y = 
x - 6
A. 
B. 
C. 
D. 
Solve.
= x + 6
A. -4 B. -3 C. 5 D. 4
Provide an appropriate response.Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient of x2 should be positive or negative. DENTAL FLOSS USE 
Years since 2000
A. Quadratic; negative B. Quadratic; positive C. Linear; negative D. Linear; positive
Solve the problem.A farmer has 780 m of fencing. Find the dimensions of the rectangular field of maximum area that can be enclosed by this amount of fencing.
A. 78 m by 312 m B. 195 m by 195 m C. 195 m by 585 m D. 185 m by 205 m