Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?x.
A. 159°
B. 31°
C. 111°
D. 21°
Answer: C
Mathematics
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Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.3 + 6 + 9 + . . . + 18
A. 
B. 
C. 
D. 
Mathematics
Find the vertex for the parabola whose equation is given.y = -x2 - 7x - 9
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression using the given values.y2 - 2.1y + 9; y = 2
A. 10.9 B. -9.2 C. 6.8 D. 8.8
Mathematics
Provide an appropriate response.Graph the function y = f(x) = x2 - 6x and indicate the coordinates of the vertex and intercepts.
What will be an ideal response?
Mathematics