Multiply the binomials.  

A. 42x2 +  x - 
B. 42x2 +  x - 
C. 42x2 -  x - 
D. 42x + 

Answer: A

Mathematics

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Find the exact value of the expression using the provided information.Find tan(A + B) given that cos A = - , with A in quadrant II, and  with B in 

A. - 
B. - 
C. - 
D.

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Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 4) = 1

A.  ? 2.326
B.  ? 0.592
C.  ? -4.592
D. -4 +  ? 1.184

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Mathematics

Factor completely.4r2(y + 3)5 - 4r(y + 3)5 - 3(y + 3)5 

A. (y + 3)5(2r - 3)(2r + 1) B. (y + 3)5(4r - 3)(r + 1) C. (y + 3)5(2r - 3)(2r - 1) D. (y + 3)5(2r + 3)(2r - 1)

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Subtract.92

A. 83 B. 141 C. 39 D. 43

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Mathematics