Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.
+ 12
- 7
A. 12x
B. -13x
C. -18x
D. 19xy
Answer: A
Mathematics
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Solve the inequality 
. Restrict your attention to positive values of 
. Round your answer to two decimal places.
?
A. 
B. ?
and 
C. ?
and
D. ?
Mathematics
True or false?When using a truth table, the statement q ? ~p is equivalent to ~p ? ~q.
A. True B. False
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Use trial and error to factor the trinomial, or state that the trinomial is prime.5x2 - 18x + 8
A. (5x - 4)(x + 2) B. prime C. (5x - 2)(x + 4) D. (5x + 2)(x - 4)
Mathematics
Parametrize the surface S.S is the portion of the cylinder x2 + y2 = 25 that lies between z = 5 and z = 8.
What will be an ideal response?
Mathematics