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tensa zangetsu [6.8K]
3 years ago
15

A problem states “ there are nine more children than parents in a room. There are 25 people in the room and all. How many childr

en are there in the room.”
Let c represent the number of children.
Which expression represents the number of parents?

A. 9 - c
B. c x 9
C. c - 9
D. c + 9

Thank you kind human.
From fellow human.
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

If C represents the number of children you aren't gonna want to multiple like how it shows in option b and you aren't gonna wanna subtract.

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➷ Just subtract the two values:

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The standard form of a quadratic equation is ,

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Here the first step is to change the given equation into standard form. So, add 1 to each sides of the equation. Therefore,

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Average reading score is given by the expression,

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Here, x in the number of years past 1970.

To find the year in which the average reading score is 259.378, substitute the value of 'y' in the given expression.

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