TR = 6
QR = 2(TR)
QR = 2(6)
QR = 12
Answer:
When
and
:

Step-by-step explanation:
-8ab can be seen as -8×a×b. Insert the given values:

Simplify multiplication from left to right:

Insert and solve:

:Done
Answer: 
Step-by-step explanation:

88 can be rewritten as 8 x 10 and 8 can be rewritten as
making a 2 come out of the root.

10 can be rewritten as 2 x 5.

2*2 can also be rewritten as
making a 2 come out of the root.

We can't keep simplifying the root.
.3478 is the answer, round however you like
Answer:
x > 16
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask