Combine like terms whenever possible. Write the result with descending powers.2x4 + 8x4 - 4x4
A. 6x12
B. 6x4
C. Cannot be simplified
D. -64x4
Answer: B
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Evaluate the permutation.Determine the number of permutations of 9 things taken 2 at a time.
A. 1 B. 9 C. 72 D. 504
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(9a1/7b5/7)2
A. 18a2/7b5/7 B. 81(ab)10/7 C. 9a2/7b10/7 D. 81a2/7b10/7
Solve the problem.The formula for converting Fahrenheit temperature to Celsius is 
. If a bottle of prescription medicine is to be kept below 25° Celsius, how would you describe this warning using Fahrenheit temperature?
A. It must be kept below 46° Fahrenheit. B. It must be kept below 103° Fahrenheit. C. It must be kept below -18° Fahrenheit. D. It must be kept below 77° Fahrenheit.
Factor the trinomial.
?
?
A. 
B. 
C. 
D. 
E. 