Decide whether or not the set is closed under multiplication.W - {2}
A. Not closed
B. Closed
Answer: B
Mathematics
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Simplify the given expression. Write the answer with variables in alphabetical order and any constant term last.3xy2 + 7xy + 14xy2
A. 10xy2 + 14xy B. 17x2y + 7xy C. 17x2y4 + 7xy D. 17xy2 + 7xy
Mathematics
In the expression 3x + 4:
a. What is the literal term? b. What are the real numbers?
Mathematics
A spherical balloon with radius r inches has volume 
. Find a function that represents the amount of air required to inflate the balloon from a radius of inches to a radius of r+3 inches.
What will be an ideal response?
Mathematics
Find the measure of the unknown angle of the triangle.
A. 45° B. 104° C. 140° D. 40°
Mathematics