Solve the problem.Alex and Juana went on a 125-mile canoe trip with their class. On the first day they traveled 30 miles. What percent of the total distance did they canoe?
A. 24%
B. 400%
C. 0.24%
D. 4%
Answer: A
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Solve. Then graph the solution.
? 0
A. 
B. 
? (2, ?)
C. 
? [2, ?)
D. 
Determine the vertex, focus, and directrix of the parabola and sketch its graph.y2 = 12x
A. vertex: (0, 0)
focus: (-3, 0)
directrix: x = 3
B. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3
C. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3
D. vertex: (0, 0)
focus: (3, 0)
directrix: x = -3
Solve the problem.Yearly sales of an electronic device S(t), in millions of dollars, t years after 1996 can be estimated by S(t) = 200 ? 3t .What is the doubling time for the yearly sales?
A. 1.3 yr B. 0.6 yr C. 0.7 yr D. 5.5 yr
Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with second term - 
and fifth term 
.
A. an = 
n - 1
B. an = 
n - 1- 
C. an = 
- 
(n - 1)
D. an = 
- 
(n - 1)