Step-by-step explanation:
The hypotenuse of a right-angled triangle = 25 cm
One side is twice as long as the other.
Let the other side is x.
First side = 2x
Using Pythagoras theorem to find the lengths of the shorter sides.

So, the other side = 11.18 cm
First side = 2(11.18) = 22.36 cm
So, the lengths of the shorter sides are 11.18 cm and 22.36 cm.
Answer:
-x +8
Step-by-step explanation:
3x + 6 + -4x + 2
Combine like terms
3x-4x +6+2
-x +8
The right answer is probably C
Given:

To find:
The LCD of the fractions.
Solution:
LCD means least common denominator.
Let us find the least common multiplier for the denominator.
The denominators are
.
Factor
:

Take a common in first 2 terms and -6 common in next two terms.

Take out common factor (a - 1).
------------- (1)
Factor
:

Using identity: 
------------- (1)
From (1) and (2),
LCM of 
Therefore LCD is (a - 1)(a - 6)(a + 6).