Write the inequality using interval notation, and illustrate the inequality using the real number line.-7 ? x ? -3
A. [-7, -3]
B. (-7, -3]
C. (-7, -3)
D. [-7, -3]
Answer: A
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The stack plot below shows the value of each of Danny's investments. The stack plot contains three regions. The uppermost unshaded region represents the value of Danny's investment in individual stocks. The center shaded region represents the value of Danny's investment in mutual funds and the bottom region in black represents the value of Danny's investment in a CD. The thickness of a region at a particular time tells you its value at that time. 
Use the graph to answer the question.In year 8, approximately what percentage of Danny's total investment was in mutual funds?
A. 50% B. 70% C. 80% D. 60%
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Solve the problem.The population of a town was 35,200 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 30,400 B. 4500 C. 30,700 D. 31,000
Multiply. Write the result in the form a + bi.(8 - 4i)(7 + 5i)
A. 76 - 12i B. -20i2 + 12i + 56 C. 76 + 12i D. 36 - 68i