Solve the problem.The Whitcher family learned that their investments decreased in value by 29% over the last year. If the investments were worth $84,000 at the beginning of the year, how much (in dollars) did they lose over the last year?
A. $2897
B. $2436
C. $244
D. $24,360
Answer: D
Mathematics
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Solve the problem.
A tunnel is in the shape of a parabola. The maximum height is 45 m, and it is 11 m wide at the base. What is the vertical clearance 5 m from the edge of the tunnel?
A. 0.4 m B. 2.2 m C. 42.8 m D. 44.6 m
Mathematics
Evaluate the determinant.
A. 32 - ab B. ba - 32 C. 4a - 8b D. -4a + 8b
Mathematics
Write the expression in the standard form a + bi.
A. 4 - 1i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Use the information given to draw a bar graph. Clearly label the bars. The following table shows the number of visitors at a jazz festival in various years. Make a vertical bar graph to illustrate the data. 
What will be an ideal response?
Mathematics