First set up the equation:

+

Now solve the ones in the parenthesis:

+

Then do the exponents:
25+64
The answer will be:<u> </u>
<u>89
</u>Hope this helps!
<u>
</u>
The answer is 18.2% I believe.
the student has left 75 because if you add 5 and 70 it gives you $75 that's how much the student had left.
$260.00
Because you won’t need to multiply the $60.00 per person
You can approximate the square root of 30 by taking the square root of a number close to it. This is called local linearization. You can take the square root of 36, which is 6, and the square root of 25, which is 5, and state that the square root of 30 is approximately somewhere between 5 and 6