Answer:
D brainliest?
Step-by-step explanation:
Answer:
Algebraic expression ;

Step-by-step explanation:
4 is subtracted from r means the same as r decreased by 4
Subtracted = -

It is a ratio problem...
2 dogs need 144 feet = 2 : 144
Simplify the ratio = 1 : 72
Multiply both sides by 8 (8 dogs) = 1*8 :144*8
Simplify the ratio = 8 : 1152
8 dogs need 1152 feet of fencing
Hope this helps!
The best estimate of the sum of the expression given is 
What is a Fraction ?
A fraction is written as p/q , where q
0
It is asked to determine the sum of the fraction
31/4 + 17/3 + 8/18
Taking the LCM of 4 , 3 , 18
LCM of 4 , 3 ,18 is 36
Therefore

(279+204+16) /36
499 / 36

Therefore the best estimate of the sum of the expression given is
.
To know more about Fraction
brainly.com/question/10354322
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Answer:
-9 / 24
Step-by-step explanation:
<u>Step 1: Find an equivalent to -3/8</u>
(-3*3) / (8*3)
<em>-9 / 24</em>
<em />
Answer: -9 / 24