Answer:
x/7 + 3 = 5
Step-by-step explanation:
First you add up the number of coins in total so:
16+28+32+4
which equals: 80
Then to find 15% you have to do this:
80 divided by 100 then multiply by 15 which is 12.
The answer is 12.
Answer:
Is this a question or..........
Step-by-step explanation:
It would take 48 you multiple 8x2x3 to get 48... hope this helps ^o^
Answer:

Step-by-step explanation:
Hi!
This is a lot of radicals, so it may seem tricky. Let's begin by simplifying all of the radicals that can be simplified.
We can see that
can be simplified.
Taking prime factorization:

which is:

So an updated equation is
.
Now, we need to expand this:
First, let's expand the parenthesis:
.
We can apply some of are rules:

And, now to simplifying!
Adding similar elements:

Simplifying and cleaning up each radical:
.
Now all we have to do is add the similar elements (again.)
In doing so we reach an answer of 
Hope this helps!
- Sahkfam