Don’t know maybe uses online resource form a teacher?
Solve for x.
9-x = 15
-x = 6
x = -6
First you multiply 5 on both sides, then -9 and then divide by -1 to eliminate the - sign.
Hope this helps :)
Use the Pythagorean Theorm for right triangles where the squares of the two legs equal the square of the hypotenuse.
Plug in the known leg and hypotenuse.
Simplify by squaring.
Isolate b by square rooting both sides.
The result is rounded
627.
you would have to do this on your own in order to find this out bud.
392 cm is your answer if I did the question right