Find the measure of the indicated angle.Two angles of a triangle are 20° and 20°. Find the third angle.
A. 40°
B. 320°
C. 140°
D. 230°
Answer: C
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2. P1(-8, -5, -8) and P2(-4, -8, -13)
A. 
i - 
j - 
k; 
B. 
i + 
j + 
k; 
C. 
i + 
j + 
k; 
D. 
i - 
j - 
k; 
Mathematics
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = x2 - 2, [0, 8], midpoint
A. 
B. 
C. 
D. 
Mathematics
Subtract.(-10y2 + 2) - (-y3 + 6y2 + 9)
A. -9y3 + 8y2 - 9 B. y3 - 4y2 + 11 C. -9y3 + 6y2 - 7 D. y3 - 16y2 - 7
Mathematics
Find the transformation form of g.g(x) = x2 + 12x + 28
A. g(x) = (x - 6)2 - 8 B. g(x) = (x + 6)2 - 8 C. g(x) = (x + 6)2 + 8 D. g(x) = (x - 6)2 + 8
Mathematics