document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85492>Question 85492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help me with these problems? <BR>\n" );
document.write( "1.  assume variables are positive and multiply<BR>\n" );
document.write( "    y^6/9 ( y^-6/9 + 4y ^3/9)\r<BR>\n" );
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document.write( "2.  Assume x, y, z are positive #'s use properties of logarithms to write expression log<BR>\n" );
document.write( "7 sqrt x^6 y ^8 / z^7\r<BR>\n" );
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document.write( "3.  Find value of x: logx 121/9 = 2\r<BR>\n" );
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document.write( "4.  simplify (256 x^4 y) 1/4  /  (81xy^3) 3/4\r<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 #61707 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=61707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. assume variables are positive and multiply<BR>\n" );
document.write( "y^6/9 ( y^-6/9 + 4y ^3/9) \r<BR>\n" );
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document.write( "=y^0 + 4y^1\r<BR>\n" );
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document.write( "=1+4y<BR>\n" );
document.write( "========================\r<BR>\n" );
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document.write( "2. Assume x, y, z are positive #'s use properties of logarithms to write expression log 7 sqrt(x^6 y ^8) / z^7<BR>\n" );
document.write( "Comment: Keep in mind this is all base 7.<BR>\n" );
document.write( "= log [(x^3y^4)/z^7]\r<BR>\n" );
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document.write( "= 3logx + 4logy - 7logz<BR>\n" );
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document.write( "3. Find value of x: logx 121/9 = 2 \r<BR>\n" );
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document.write( "x^2 = 121/9<BR>\n" );
document.write( "x = 11/3<BR>\n" );
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document.write( "4. simplify (256 x^4 y)^(1/4) / (81xy^3)^(3/4)\r<BR>\n" );
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document.write( "= 4xy^(1/4) / 27x^(3/4)y^(9/4)\r<BR>\n" );
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document.write( "= [4/27][x^(1/4)] / y^2\r<BR>\n" );
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document.write( "=[4x^(1/4)]/[27y^2]\r<BR>\n" );
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document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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