Use the distributive property. Assume that variables represent nonnegative values.
(
- 3
)
A. 
+ 3
B. 
+ 21
C. 
- 21
D. 
- 3
Answer: C
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A. P + R + S = k B. P = k + R + S C. PRS = k D. P = kRS
Find numbers a and b, or k, so that f is continuous at every point.
A. k = 17 B. k = 2 C. k = 3 D. k = - 2
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
Find the common ratio, r, for the given geometric sequence.125, 25, 5, 1, . . .
A. 
B. 5
C. 
D. 