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.
Answer: A
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (0, ±9) and foci at 
.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Decide if the number is rational or irrational.
A. Rational B. Irrational
Solve.Find the area of a parallelogram with a base = 18 feet and height = 17 feet.
A. 306 ft2 B. 153 ft2 C. 35 ft2 D. 612 ft2
Use the laws of exponents to simplify. Write the answer with positive exponents.z-2/5 ? z3/5
A. z5/6 B. z6/5 C. z-1/5 D. z1/5