Use an Euler diagram to determine whether the syllogism is valid or invalid.Students who study get better grades.Roger is a student who studies. ? Roger will get better grades.
A. Invalid
B. Valid
Answer: B
Mathematics
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(x, y, z) for the function h(x, y, z) =  figures 4.png)
cos(y + 3z).
 multiple choice.png)
Mathematics
Complete the square and write the equation in standard form. Then give the center and radius of the circle and graph the equation.x2 + y2 - 12x + 2y + 21 = 0
A. (x - 6)2 + (y + 1)2 = 16
center (6, -1), r = 4
B. (x + 6)2 + (y + 1)2 = 16
center (-6, -1), r = 4
C. (x + 6)2 + (y - 1)2 = 16
center (-6, 1), r = 4
D. (x - 6)2 + (y - 1)2 = 16
center (6, 1), r = 4
Mathematics
Plot the ordered pair in the Cartesian plane, and state in which quadrant or on which axis it lies.(5, 0)
A. y-axis
B. x-axis
C. x-axis
D. Quadrant II
Mathematics
Find the product and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics