Solve.Tickets to a ballet cost $13 if bought in advance. If bought on the date of the ballet, they cost $25. For the ballet to make a profit, the total money collected from ticket sales must be at least $380. Write an inequality to represent this situation, using x for the number of tickets bought in advance and y for the number of tickets bought on the date of the ballet. Do not solve the inequality.
A. 13x - 25y ? 380
B. 13x - 25y ? 380
C. 13x + 25y ? 380
D. 13x + 25y ? 380
Answer: D
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Use a calculator to solve the equation. Round the answer to the nearest hundredth.5x = 60
A. -2.54 B. 0.39 C. 2.54 D. 2.27
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 5; zeros: 2, 3 + 5i, -2i
A. -2, 3 - 5i, 2i B. 3 - 5i, 2i C. -3 - 5i, 2i D. -3 + 5i, 2i
Solve the equation.log32 x = 
A. {2}
B. {4}
C. 
D. {-2}
What percent of the total population is found between the mean and the z-score?
Standard Normal Distribution; z-scores z 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.090.0 0.0000 0.0040 0.0080 0.0120 0.0160 0.0199 0.0239 0.0279 0.0319 0.03590.1 0.0398 0.0438 0.0478 0.0517 0.0557 0.0596 0.0636 0.0675 0.0714 0.07530.2 0.0793 0.0832 0.0871 0.0910 0.0948 0.0987 0.1026 0.1064 0.1103 0.11410.3 0.1179 0.1217 0.1255 0.1293 0.1331 0.1368 0.1406 0.1443 0.1480 0.15170.4 0.1554 0.1591 0.1628 0.1664 0.1700 0.1736 0.1772 0.1808 0.1844 0.18790.5 0.1915 0.1950 0.1985 0.2019 0.2054 0.2088 0.2123 0.2157 0.2190 0.22240.6 0.2257 0.2291 0.2324 0.2357 0.2389 0.2422 0.2454 0.2486 0.2517 0.25490.7 0.2580 0.2611 0.2642 0.2673 0.2704 0.2734 0.2764 0.2794 0.2823 0.28520.8 0.2881 0.2910 0.2939 0.2967 0.2995 0.3023 0.3051 0.3078 0.3106 0.31330.9 0.3159 0.3186 0.3212 0.3238 0.3264 0.3289 0.3315 0.3340 0.3365 0.33891.0 0.3413 0.3438 0.3461 0.3485 0.3508 0.3531 0.3554 0.3577 0.3599 0.3621? A. 17.17% B. 22.17% C. 12.17% D. 11.79% E. 27.17%