Solve the system by the addition method. Be sure to check all proposed solutions. x + 9y = 15-3x + 8y = 25
A. {(-4, 3)}
B. {(3, 3)}
C. {(-3, 2)}
D. ?
Answer: C
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The following table shows the gross national product G, in trillions of dollars, t years after 2005. Explain in practical terms the meaning of the slope of the regression line. t 0 1 3 5 G 12.71 13.53 14.21 14.69? ?
A. The gross national product is increasing by 0.38 trillion dollars per year. B. The gross national product is increasing by 12.94 trillion dollars per year. C. The gross national product is increasing by 0.82 trillion dollars per year. D. The gross national product is increasing by 1.72 trillion dollars per year.
Simplify the expression.
+ 
- 
A. 
B. 
C. 3
D. 
Use the map to find the shortest route between the given locations.Denver to Alton
A. 148 miles B. 154 miles C. 138 miles D. 144 miles
The function has a real zero between the two numbers given. Use your calculator to approximate the zero to the nearest hundredth.P(x) = x5 - 3x3 - 1; -1.7 and -1.6
A. -1.69 B. -1.62 C. -1.64 D. -1.67