Solve the equation. Round to the nearest hundredth, if necessary.2(k - 4.8) = -0.7(k - 8.5)
A. k = 5.76
B. k = 2.81
C. k = 11.96
D. k = -2.81
Answer: A
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The following table shows the running speed R, in feet per second, of animals of length L, in inches. Explain in practical terms the meaning of the slope of the regression equation. L 3.5 6.3 9.4 9.8 R 8.29 15.71 24.01 24.96? ?
A. An increase of 1 inch in length corresponds to an increase of 2.65 feet per second in running speed. B. An increase of 1 inch in length corresponds to an increase of 2.65 feet per second in running speed. C. An increase of 1 inch in length corresponds to an animal that runs 2.65 times faster. D. An increase of 1 inch in length corresponds to an animal that runs 2.65 times faster.
Solve the problem.Find the acute angle ? (in degrees) that satisfies the equation ? = sin-1 
.
A. 45° B. 120° C. 135° D. 60°
Simplify.
- 
= 
A. x = 4 B. x = 1 C. x = 5 D. x = 6
Write the slope-intercept form of the equation for the line passing through the given pair of points.(-7, -3) and (4, -5)
A. y = - 
x - 
B. y = - 
x - 
C. y = 
x - 
D. y = 
x - 