Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(x-8y)6
A. 
B. x48y6
C. 
D. 
Answer: A
Mathematics
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Solve.9x4 - 13x2 + 4 = 0
A. ± 
B. ± 
C. ±1, ± 
D. ±1, ± 
Mathematics
Provide an appropriate response.An object is dropped from a height of 676 feet. The expression 676 - 16t2 gives the height of the falling object after t seconds. The time it takes for the object to reach the ground may be found by solving 
Solve for t.
A. 13 sec
B. 
sec
C. 
, or 6.5 sec
D. 4 sec
Mathematics
Graph the function over a one-period interval.y = - 
cos 4(x-?)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An airplane is cruising at an altitude of 36,960 ft. What is the plane's altitude in miles?
A. 14 mi B. 7 mi C. 8 mi D. 6 mi
Mathematics