Evaluate the expression for the given values of the variables. 
for n = -5, m = 0.5, and p = 0.5
A. -0.9
B. -4
C. -9
D. -9.5
Answer: C
Mathematics
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Solve the problem.At the two points where the curve x2 - xy + y2 = 16 crosses the x-axis, the tangents to the curve are parallel. What is the common slope of these tangents?
A. 1 B. -1 C. -2 D. 2
Mathematics
Provide an appropriate response.
Which is the proper notation to present the angle indicated by the intersection of 
and 
?
A. ?ABCD B. ?B C. ?BAD D. ?ABD
Mathematics
Find an equivalent expression by factoring.w + wz
A. w(w + z) B. z(1 + w) C. w(1 + z) D. w(1 + wz)
Mathematics
Evaluate.Let a = 3i, b = i + j. Find 4a + b.
A. 11i + j B. 13i + j C. 13i + 4j D. i + 13j
Mathematics