Find the value of the unknown variable.Find r if d = rt, t = 7 hrs, and d = 56 mi.
A. 8 mi/hr
B. 63 mi/hr
C. 49 mi/hr
D. 0.1 mi/hr
Answer: A
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Graph the line given the slope and a point on the line.Slope = - 1; (-2, 1)
A. 
B. 
C. 
D. 
State whether the system is consistent or inconsistent. If it is consistent, then state whether the graphs' equations are dependent or independent. State the number of solutions.
A. Inconsistent; no solutions B. Consistent; independent; one solution C. Consistent; dependent; infinitely many solutions D. Inconsistent; infinitely many solutions
Multiply. Simplify if possible.
? 
A. 
B. 
C. 
D. 
Describe the transformations that produce the graph of g from the graph of f.f(x) = 
; g(x) = 
- 12
A. Stretch horizontally by a factor of 
. Shift it 12 units down.
B. Shift it 12 units to the left and 12 units down.
C. Stretch vertically by a factor of 12 and shift it 12 units to the right.
D. Shift it 12 units to the left and 12 units up.