It equals -8 (D) pls mark as brainliest
<h2>
Answer:</h2>
<em>The number is </em><u><em>irrational</em></u><em>.</em>
<h2>
Step-by-step explanation:</h2>
<h3>1. Convert to decimal.</h3>

<h3>2. Conclude.</h3>
<em>Since this number shows to have infinite decimal figures, it cannot be represented as the ratio of 2 integers. Hence, the number is </em><u><em>irrational</em></u><em>.</em>
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<em>Note.</em><em> In case the number expressed in the question was </em>
, the answer would still be <u><em>irrational</em></u><em>, for the same reasons explained above</em>.
<u><em>-------------------------------------------------------------------------------------------------------</em></u>
<em>Learn more about the classification of numbers here:</em>
<em>brainly.com/question/28292851</em>
<em>brainly.com/question/28292525</em>
<em>brainly.com/question/28281557</em>
<em>brainly.com/question/28262827</em>
Answer:
7%
Step-by-step explanation:
The percentage increase is found as ...
increase/original × 100%
= (33170 -31000)/31000 × 100%
= 2170/31000 × 100% = 7%
Sarah's increase would be 7%.
Answer:
Numbers of students at a primary school before= 240
Number of increased students =42
Again,
Increased number of students in percent(%)= 42/240×100%= 17.5%
Therefore 17.5% students are increased this year.