Step-by-step explanation:

value of x is 7
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In total there are 5 kids so
5÷3.5=1.4
(rounded)
Answer:
he will use 2 posts.
Step-by-step explanation:
the two posts together will make 1 foot, so with one post on each endof the 7 foot deck, that leaves 6 feet between them.
Answer:
A B C D E F are all the same shape
Slope = (y2 - y1) / (x2 - x1)
= (2 - 4 ) / (1 - 3 )
= -2/-2
= 1
Answer is A. 1