Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends 
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).
Answer:
y < 4
Step-by-step explanation:
Since the line is dotted, it will be either greater than or less than depending on if it is shaded above or below. It's "y" because the line crosses the y axis, not the x axis.
Number 7 is a because line m crosses at 2 on the y axis and number 8 is a because it goes up by one half each time
Answer:
I think its b)1.5 seconds sorry if I am wrong
Step-by-step explanation:
16t²=time
16t²=16²seconds
16² seconds=256 seconds
16t²+64=distance
256+64=320
320 feet=distance
so
256 seconds/320feet
=1.5seconds