Answer: # 15 is x=-12 and #16 is x=24
Step-by-step explanation:
Re read the question again just in case, try and put £25.50
But I got 25.5 too
This is called the Pythagorean theorem : a ² + b ² = c ². You can substitute any of the variable with any of the known numbers and then you all you have to do is isolate the variable. I hope that helps!!