If one number is 8/15, you take the difference which 7/15.
The answer I got is -3/140 since you must multiply first, then subtract the fractions
Answer:
12 cm
Step-by-step explanation:
So the Pythagorean Theorem states 
If we know what c and a are, we can solve for b by doing

or



The correct answer is Option A
[△SRT]