Graph the system of inequalities.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 5i + 8j, w = -3i + 5j
A. 179.0° B. 92.1° C. 63.0° D. 64.0°
Mathematics
Given that the point 
lies on the line 
, find k.
?
k = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = -x2 + 2x + 3
A. domain: {x|-? < x < ?}
range: {y|y ? -4}
B. domain: {x|-? < x < ?}
range: {y|y ? 4}
C. domain: {x|-? < x < ?}
range: {y|y ? 4}
D. domain: {x|-? < x < ?}
range: {y|y ? -4}
Mathematics
Factor out the GCF from the polynomial.w(z - 15) - 7(z - 15)
A. -7w(z - 15) B. (wz - 15w) - (7z - 105) C. (z - 15)(w + 7) D. (z - 15)(w - 7)
Mathematics