Find the 7th term in the binomial expansion.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: E
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Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Find an equation of the line. Then use the equation to predict the number of traffic accidents in this county in 2021.
A. 313 accidents B. 379 accidents C. 339 accidents D. 365 accidents
The point in a lunar orbit nearest the surface of the moon is called perilune and the point farthest from the surface is called apolune. The Apollo 11 spacecraft was placed in an elliptical lunar orbit with perilune altitude 106 km and apolune altitude 318 km (above the moon). Find an equation of this ellipse if the radius of the moon is 1728 km and the center of the moon is at one focus.
What will be an ideal response?
Complete the factoring.x2 - 5x - 24 = (x - 8)( )
A. x + 3 B. x - 3 C. x2 + 8 D. 8 - x
Find the standard form of the equation -2x + 3y = 6.
A. y = 
x + 6
B. y = - 
x + 2
C. y = - 
x + 6
D. y = 
x + 2
E. none of these