Use a commutative property to complete the statement.cd = 
A. -cd
B. 
C. c + d
D. dc
Answer: D
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.No even number is divisible by 7.42 is an even number. 42 is not divisible by 7.
A. Valid B. Invalid
Mathematics
Write a slope-intercept equation for a line with the given characteristics.Passes through (6, 2) and (-3, 7)
A. y = 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = - 
x + 
Mathematics
Find the requested measurement.The point (-2, -3) is on a circle that has center (8, -3). Find the length of the diameter of the circle.
A. 10 B. 20 C. 20.5 D. 19
Mathematics
Divide. Write the result in standard form.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
+ 
i
Mathematics