Decide whether or not the set is closed under addition.{0}
A. Closed
B. Not closed
Answer: A
Mathematics
You might also like to view...
Find the missing length, x, for the similar triangles.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
Mathematics
Provide an appropriate response.Write with fractional exponents: 
What will be an ideal response?
Mathematics
Perform the indicated operation. Write the result in standard form.8i + (-5 - i)
A. 5 - 7i B. -5 + 7i C. -5 + 9i D. 5 - 9i
Mathematics
Solve the problem.A salesman earns a straight commission of 22%. One week he had sales of $1800. Find his gross pay for the week.
A. $396.00 B. $39.60 C. $39,600.00 D. $3960.00
Mathematics