Factor the difference of squares.(r + s)2 - 9
A. (r + s + 3)(r - s - 3)
B. (r - s + 3)(r - s - 3)
C. (r + s + 3)(r + s - 3)
D. (r2 + 3)(s2 - 3)
Answer: C
Mathematics
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Find the derivative of y with respect to the independent variable.y = (ln 4?)?
A. 
(ln 4?)?-1
B. ?(ln 4?)?-1
C. 
(ln 4?)?-1
D. (4?)? ln ?
Mathematics
Write the number in scientific notation.0.00005788
A. 5.788 × 10-4 B. 5.788 × 104 C. 5.788 × 10-5 D. 5.788 × 105
Mathematics
The distribution of the math SAT test scores at a local college is approximately Normal (490, 100) .
(a) What is the percentage of the scores is below 450? (b) What is the percentage of the scores is above 600?
Mathematics
Write the following in terms of sin ? only. ? sec ? ?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics