Which special version of the pythagorean theorem can you use to find the length of any squares diagonal, d, using only the length of its side, 12 inches. will give 100 points to whoever can me

Can someone me out here number 4 plz

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Hurry which expression is equivalent to 3√x^5y?