Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) - n(B)
A. True
B. False
Answer: B
Mathematics
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Simplify.(x-4y5)-3
A. 
B. 
C. 
D. 
Mathematics
Write as an equivalent addition statement. (Do not evaluate.)-23 - 20
A. -43 B. 20 + (-23) C. -23 + (-20) D. -23 + 20
Mathematics
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the minimum spanning tree is
A.
| 39. |
B. 34.
C. 60.
D. 49.
E. none of these
Mathematics
Determine the slope and the y-intercept. Then graph the equation.2x - 3y = 16
A. m = - 
; y-intercept: 
B. m = 
; y-intercept: 
C. m = - 
; y-intercept: 
D. m = 
; y-intercept: 
Mathematics