Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
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Perform the indicated operation.(5n7 - 14n5 - 10) - (-10n5 + 7n7 - 2)
A. -2n7 - 7n5 - 12 B. -2n7 - 4n5 - 12 C. -2n7 - 4n5 - 8 D. -14n12
Solve.The orbit of a planet, in a galaxy far, far away, is an ellipse. If the center of the ellipse is at the origin, an approximate equation for the orbit is 
+ 
= 1, where x and y are measured in millions of miles. Find the largest possible distance across the ellipse. Round the answer to the nearest million miles.
A. 13,710 million miles B. 117 million miles C. 83 million miles D. 166 million miles
During the construction of an office building, a hammer is accidentally dropped from a height of 16 ft. The distance the hammer falls in t sec is 
. What is the hammer's velocity when it strikes the ground? What is its acceleration?
?
The velocity is __________ ft per second.
?
The acceleration is __________ ft per second in the second power.
What will be an ideal response?
Find the product.9x4(-7x4 - 10)
A. -63x4 - 90 B. -153x4 C. -63x8 - 90x4 D. -63x8 - 10