This is Pythagorean's Theorem, with one leg being 10 and the hypotenuse being 16. Using those values in the theorem looks like this:

and

and

so

Take the square root of both sides to find that b = 12.5
Answer: x = -2
Steps/work provided down below. Please let me know if you have any further questions! :)
Answer: The number is 192
Step-by-step explanation:
Step-by-step explanation:
y= 1
when x=2
here
when x= 3
y=4