Answer:
612
Step-by-step explanation:
Since Kelly had already 474 dollars in her checking account and added 138 more, 474+138=612
Every 10 minutes of reading my book, I read 20 pages each. // part B you read 0.5 minutes per page
Using it's concept, it is found that the coefficient of the mathematical expression 7m² + 2(19) is of 7.
<h3>What is the leading coefficient of a polynomial?</h3>
The leading coefficient of a polynomial is the <u>term that multiplies the highest exponent</u>.
In this problem, the expression is given by:
7m² + 19.
The highest exponent is of 2, in m², hence the leading coefficient is of 7.
More can be learned about the coefficient of a mathematical expression at brainly.com/question/24380382
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