Solve the problem.In a surveyed area, 45.3% of the residents signed up for the local park district pool pass. Write this percent as a decimal.
A. 45.3
B. 0.0453
C. 4.53
D. 0.453
Answer: D
Mathematics
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Solve the problem.Find the sum of the infinite series 1 + 9r + r2 + 9r3 + r4 + 9r5 + r6 + . . . for those values of r for which it converges.
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = -tan 
A. 
B. 
C. 
D. 
Mathematics
Identify the conic section represented by the equation.15y2 = 9x - x2
A. hyperbola B. circle C. ellipse D. parabola
Mathematics
Find the correlation coefficient.The following are costs of advertising (in thousands of dollars) and the number of products sold (in thousands): 
A. -0.0707 B. 0.2456 C. 0.2353 D. 0.7077
Mathematics