Answer:
6.7
Step-by-step explanation:
1^2+1^2= root 2
4^2+7^2 = root 65
1/2*root 2 *(root 65/2) = 2.85*2=5.700877+1
=6.7
1. $58650
x=-1/2
1 8 9 6
y= 3x
x=7, y=16
2x+5=x+12
2x=x+7
x=7
y-4=x+5
y-4=12
y=16
I dont see the file
