Solve the equation.1.3 - 3.3x = -12.7 - 1.3x
A. {4.6}
B. {-16}
C. {4.2}
D. {7}
Answer: D
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Explain in practical terms the meaning of the slope of the regression equation. t 5 10 20 25Y 3.35 3.66 3.95 4.14? ?
A. Each year yield decreases by an average of 0.04 tons per hectare. B. Each year yield increases by an average of 0.04 tons per hectare. C. Each year yield increases by an average of 0.52 tons per hectare. D. Each year yield decreases by an average of 0.52 tons per hectare.
Solve.
= 5
A. ±13j B. 13 C. ±13 D. 13j
Parametric equations and a value for the parameter t are given. Find the coordinates of the point on the plane curve described by the parametric equations corresponding to the given value of t.x = 2 + 3 cos t, y = 4 + 2 sin t; t = 
A. (5, 4)
B. 
C. (2, 5)
D. (2, 6)
Use "intersect" on a graphing calculator to solve the equation. Round the solution to the fourth decimal place.5
x = 3x
A. 0.8982 B. 0.8958 C. 2.6827 D. 2.6873