Find the product of the complex number and its conjugate.-7 + i
A. 56
B. 98
C. 42
D. 0
Answer: A
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Solve the problem.Find the area of a square measuring 18.4 m on a side.
A. 677.12 m2 B. 73.6 m2 C. 338.56 m2 D. 36.8 m2
Evaluate the polynomial.2x2 - y2 + 2xy for x = -3 and y = -5
A. 73 B. -73 C. -37 D. 23
Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.The graph shows the number of people in Country A without health insurance from year 0 through year 3. 
In year 0, there were 25 million people in Country A without health insurance. This number has increased at an average rate of 4.1 million people per year. In what year will the number of people in Country A without health insurance first reach 100 million?
A. year 21 B. year 18 C. year 19 D. year 20
Solve the equation.
+ 5 = x
A. {2, 9} B. {2} C. {9} D. {9, 18}