Answer:
The expressions are not equivalent because Ella did not know that you can’t use substitution to test for equivalence.
Step-by-step explanation:
<u>Equivalent algebraic expressions</u> are those expressions which on simplification give the same resulting expression.
Two algebraic expressions are said to be <u>equivalent</u> if their values obtained by substituting any values of the variables are same.
Two expressions 3f+2.6 and 2f+2.6 are not equivalent, because when f=1,

Method of substitution can only help her to decide the expresssions are not equivalent, but if she wants to prove the expressions are equivalent, she must prove it for all values of f.

This is true only when f=0.
Hence,
The expressions are not equivalent because Ella did not know that you can’t use substitution to test for equivalence.
Jill omitted a factor pair, which affected the GCF and factored expression.
Factors of 52y: 1, 2, 26, 52, y she also needs to include 13*4
Answer:
9 is 11.345 ) 10 is 4.8 ) 11 is 1 cause your rounding to the hundreth ) 12 is 6. 327
Step-by-step explanation:
brainliest will be appreciated
Answer: $500
Step-by-step explanation:
The vertical axis of the graph represents the value of the copy machine and the horizontal axis represents the years.
Using the line, one can see that in the first year, the value of the machine went from $7,000 to $6,500.
The loss in value is therefore;
= 7,000 - 6,500
= $500
<em>The needed graph is attached. </em>
Answer:
y=-3
Step-by-step explanation: