Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Multiply. Change any mixed number to an improper fraction before multiplying.2
? -
A. -4
B. -
C. -2
D. -
Mathematics
Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 160 feet at an initial velocity of 144 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground? Round to the nearest tenth of a second, if necessary.
A. 5.0 sec B. 9.0 sec C. 10 sec D. 11 sec
Mathematics
Solve the equation. Give exact solutions.6e2x + 46ex = 16
A. {ln 8}
B. 
C. 
D. 
Mathematics
Perform the scalar multiplication.
What will be an ideal response?
Mathematics