Select all that apply. to solve an equation with a variable, which of the follow are done? inverse operations are used addition is always used the variable needs to be isolated the value of the variable should be guessed first

ian gonna lie that is way to much

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step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

assuming this is from a math graphing problem.

7 would be on the x-axis which is the horizontal line on the graph

84 would be on the y-axis which is the vertical line on the graph