Combine like terms.9x2 + 5x - 7 + 8x + 9 + 4x2
A. 13x2 + 13x + 2
B. 28x3
C. -3x2 + 17x + 14
D. 13x4 + 13x2 + 2
Answer: A
Mathematics
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Rewrite the expression without the grouping symbols.-(a + 4b)
A. -a - 4b B. a - 4b C. -a + 4b D. -4ab
Mathematics
Find the probability.If you are dealt two cards successively (with replacement of the first) from a standard 52-card deck, find the probability of getting a face card on the first card and an ace on the second.
A. 
B. 
C. 
D. 
Mathematics
Determine the indefinite integral.
, x > 4
A. 
tanh-1 
+ C
B. sinh-1 
+ C
C. cosh-1 
+ C
D. 
coth-1 
+ C
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 14)2
A. x2 - 28x + 196 B. x2 + 196 C. x + 196 D. 196x2 - 28x + 196
Mathematics