So the answer is <span>–1.8 +0.9 –1.4 +0.4
or C. -1.9</span>
The number remaining for 19.35 to get to 25 is 5.65.
<h3>What is an expression?</h3>
Expression simply refers to the mathematical statements which have at least two terms that are related by an operator and contain either numbers, variables, or both
In this case, the number remaining for 19.35 to get to 25 will be:
= New number - Old number
= 25 - 19.35
= 5.65
The number is 5.65.
Learn more about expressions on:
brainly.com/question/723406
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100 * pi = pi * r^2
Pi cancels on both sides of the equation
So... 100= r^2
= radius is 10