Evaluate.Evaluate x + y + 13, if x is 25 and y is 37.
A. 62
B. 76
C. 74
D. 75
Answer: D
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Provide an appropriate response.Find an equation for the tangent to the curve y = 
at the point (1, 12).
A. y = -8x + 20 B. y = 8x + 4 C. y = -4x + 16 D. y = -8
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.y = (x + 2)2 + 3
A. 
opens up; vertex (3, -2);
axis of symmetry x = 3
B. 
opens up; vertex (-2, 3);
axis of symmetry x = -2
C. 
opens up; vertex (-3, 2);
axis of symmetry x = -3
D. 
opens up; vertex (2, 3);
axis of symmetry x = 2
Set up the percent proportion for the application problem. Do not try to solve for any unknowns.A chemical is 78% pure. In 760 grams of the chemical, how much is pure?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Subtract. Simplify, if possible.20 - 
A. 19
B. 17
C. 19
D. 20