document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=480845>Question 480845</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In Exercises 25-32, determine whether A = B, A &#8838; B, B &#8838; A, A &#8834; B, B &#8834; A or if none of these answers applies.\r<BR>\n" );
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document.write( "A = {x | x is a sport that uses a ball} B = {basketball, soccer, tennis)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #329250 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=329250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B would be a subset of A because:<BR>\n" );
document.write( "A is the set of all sports that use a ball.<BR>\n" );
document.write( "B is the set of sports that are either basketball, soccer, or tennis.<BR>\n" );
document.write( "since all of these sports use a ball, B is a subset of A.<BR>\n" );
document.write( "since A can include sports other than basketball, soccer, or tennis (football for example), then B is a proper subset of A.<BR>\n" );
document.write( "your answer should be:<BR>\n" );
document.write( "B &#8834 A\r<BR>\n" );
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