1.5 hours is in 90 minutes
1. 4n-6
2.$50-x
3.whole number
4.distrutive
5.13a+3
6.$50.00+$20.00+2($35.0<span>0) -2 ($10.00) = $120.00</span>
If it's a perfect square, then it's easy. However, if it's not a perfect square, use the square root button on your calculator. IF you happen to know calculus then you could use Newton's Method....but I'm thinking you're not there yet. So stick with the calculator.
Find the gradient
y2-y1/x2-x1
= 8-6/10-5
=2/5