Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x|x ? N and (x + 6)(x + 4) = 0}
A. Infinite
B. n(A) = 4
C. n(A) = 2
D. n(A) = 6
Answer: C
Mathematics
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Answer the question.For the equation 
= - 
, would any potential solutions have to be rejected? Explain.
What will be an ideal response?
Mathematics
Solve.4(2.1x - 1.1) - 7.4x = -5.7
A. 1.3 B. -10.1 C. 10.1 D. -1.3
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Graph the set of numbers on a number line.
A. 
B. 
C. 
D. 
Mathematics