Answer: 9x-3x and 5x+x
Step-by-step explanation:
1. Brianna's thinking is incorrect because of course, when x is 0, the expression will equal whatever value isn't an x term. To find equivalent expression, you actually need to find which expressions have the same amount of x terms and the same value.
2. Expressions A and C are equivalent.
3. Expression A can be simplified, as you can do 9x - 3x = 6x, so your final expression would be 6x - 4. Expression C can also be simplified with 5x + x = 6x, which can then also be written as 6x - 4. This means both expressions have the same amount of x terms, and the same value, so they are equivalent.
------------------------------------------------------
Given information
------------------------------------------------------
100% = $27.60
------------------------------------------------------
Rewriting it
------------------------------------------------------



------------------------------------------------------
Find $4.14 in percentage
------------------------------------------------------



------------------------------------------------------
Answer: 15%------------------------------------------------------
------------------------------------------------------
Find $31.74 in percentage
------------------------------------------------------



------------------------------------------------------
Answer: 115%------------------------------------------------------
Right now, I can only think 26 and 39.
we use the rectangle rule
96-92=4 parts of 92 octane
98-96=2 parts of 98 octane
4x+2x=12
6x=12
x=2
4x=8 liters of 92 octane
2x=4 liters of 98 octane
The answer is A.72
to solve you would multiply 12 by 12 to find the number of inches then you would divide by 2