A and D seem to be the only correct ones. Hope this helps
Hi there! :)
<u><em>Answer:</em></u>
<u><em>x=23</em></u>
<u><em>*The answer must have a positive sign.*</em></u>
Step-by-step explanation:
This lesson it's about addition property of equality.
First, you add by 8 from both sides of an equation.

And then, you add by the numbers. Simplify and solve.

Final answer: → 
Hope this helps!
Thanks!
-Charlie
Have a great day!
:)
:D
Answer:
60
Step-by-step explanation:
Set up a ratio problem
15/25 = 36/x
15x = 900
x = 60
Answer:From the attached graphic, Half-life = ln (.5) / k
Half-life =.693147 / 0.1142
= 6.0695884413 days
Step-by-step explanation:The value of "k" should be negative and should have units associated with it.
Answer:
5.93 × 10-5
Step-by-step explanation: