Factor completely.x2 + 2xy - 15y2
A. (x - 5y)(x + 3y)
B. (x - 5y)(x + y)
C. (x + 5y)(x - 3y)
D. (x - y)(x + 3y)
Answer: C
Mathematics
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Refer to the following normal curve, with mean ? and standard deviation ?.
A data value of 36 corresponds to a standardized value of
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Determine whether the given compound statement is a tautology. Answer yes or no.
?
What will be an ideal response?
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Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5. Trace the circle to find all values of t between 0° and 360° satisfying the statement.
?
?
__________
What will be an ideal response?
Mathematics
Perform the indicated operations and write the result in standard form.7i + 
A. -16i B. 63i C. -16 D. 16i
Mathematics