Answer:
28
Step-by-step explanation:
Cross multiply
18k = 12 x 42
18 k = 504
k = 504/18
k = 28
I think the answer to your question may be C.)
Answer:
and 
Step-by-step explanation:
Alright, lets get started.
The given equation is :

Adding 8 in both sides, it will become


To make it perfect square, we need to add 25 and subtract 25




Adding 17 in both sides
taking square root

So,
and
.. Answer
Hope it will help :)
Hi there!
<em><u>Answer:</u></em>
<em><u>t<1</u></em>
<em><u>*The answer must have a positive sign.*</u></em>
Step-by-step explanation:
First, you add by 3 from both sides of an equation.

And then, you add/subtract from left too right.

It change negative to positive sign.
<em><u>Final answer is t<1</u></em>
Hope this helps!
-Charlie
Have a nice day! :)
:D