I believe Brian's game would be $46.80
30*20%=6
30+6=36
36*30%=10.80
36+10.80=46.80
hope this helps!
Answer:
14x + 63
Step-by-step explanation:

Hope this helps.
The graph is to the left of -3, so it's < or ≤.
The circle is filled in so -3 also satisfies the inequality, so it's ≤.
The answer is B. x≤-3.
Answer:
<h2>
The intensity in decibel is 320 decibel </h2>
Step-by-step explanation:
Given the intensity, or loudness, of a sound measured in decibels (dB), according to the equation
where;
I is the intensity of a given sound and
is the threshold of hearing intensity
To get I(dB) when 
We will substitute the value of I =
into the equation above to have;

Since log10 = 1;

The intensity in decibel is 320 decibel
7x - 2x - 10 = 25x + 45
5x - 10 = 25x + 45
5x - 25x = 45 + 10
- 20x = 55
x = -55/20 = -11/4