I'm just going to take a chance and say 1.A, and 2.D.
Answer:
6hrs
Step-by-step explanation:
60km x 5 = 300km distance
50km x 6 = 300km distance
If the length is 1m less that double the width and the area is 21 then the length would be 15 and the width will be 8, i think.
Answer: bet 13x-36+(-1+3a)x2
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a4x-ax2
The number that 7 belongs to is a rational number.
<h3>What is a rational number?</h3>
It should be noted that a rational number is a number that is expressed as the ratio of two integers.
In this case, the denominator should not be equal to zero, whereas an irrational number cannot be expressed in the form of fractions.
Rational numbers are terminating decimals but irrational numbers are non-terminating and non-recurring.
Therefore, the number that 7 belongs to is a rational number.
Learn more about numbers on:
brainly.com/question/4619309
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