Question 266662
Hello, 
Let's do the first one:
64 divided by 8 * 2
The rule is to do the multiplying first, then divide. 
64 divided by 16 gives us:
4
The next one I'll let you do: 
Couple hints: find the sq rt of 9 and 4 and subtract them and multiply by 3 and you should be good. 
RJ
Hey, a book I wrote on the basics of math might help you.
www.math-unlock.com