Answer:
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Step-by-step explanation:
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Answer:
every number is correct.
Step-by-step explanation:
2 (x + 4) - 1 = 2x + 7
2x + 8 - 1 = 2x + 7
2x + 7 = 2x + 7
- 7 - 7
2x = 2x
/2 /2
x = x
Answer:
distance = speed × time
Step-by-step explanation:
The relationship between time, speed, and distance is expressed by the units we use to report speed:
speed = miles per hour
In generic terms, ...
speed = distance/time
To calculate distance, multiply both sides of this equation by time:
distance = speed × time
the first one is <u>A</u>, because you divide both numbers by two, and make sure they are in the right order.
the answer to the second one is <u>2/3</u>, because 28 divided by 42 is .66666