
<h2>
Explanation:</h2>
The commutative property of addition states that:

So applying this property to our expression we have:

<h2>Learn more:</h2>
Evaluating expression: brainly.com/question/14423698#
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Answer:
The answer is B
Step-by-step explanation:
i took the test and got it right on edge Give me brainiest please :)
Answer:
The answer is .25
Step-by-step explanation:
convert 1/2 to .5 the multiply .5 by .5 which gives you .25
hope this helps
Both trains travel for 7 time units.
Train A travels 385 distance units, so its speed is

Train B travels 577.5 distance units, so its speed is

Note that the units are not specified, but considering that we're talking about trains, the graph is likely to be showing distance in km (or miles) and time in hours.
Also, the distance traveled by train B is not perfectly aligned with the grid, so I assumed that it was the average between the two ticks of 550 and 605.
(25,000+4x)/5=<span>18,600
</span><span>25,000+<span>4x</span></span>=<span>93,000 (multiply both sides by 5)
</span><span>4x</span>=<span>68,000 (subtract 25,000 from both sides)
</span>x=<span>17,000 (divide both sides by 4)
</span>Fitters make $17,000 a year