Answer:
12x = 84
Step-by-step explanation:

I am joyous to assist you anytime.
Hello!
Answer:⇒⇒⇒⇒⇒=
Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓
Group like terms:
↓↓↓↓↓↓↓↓↓↓↓↓↓↓

Add similar elements.

Hope this helps!
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-Charlie
Answer:
$83,320
Step-by-step explanation:
The formula to apply here is;

where;
A=Amount at the end
P=the amount to invest/principal
r=rate of interest as a decimal
n=number of compoundings in a year
t=time in years
Given that;
A=$400,000
P=?
r=8%=0.08
n=2
t=20
Substitute values in equation

P=$83,320 (to the nearest dollar)
Step-by-step explanation:
Hello there!
A good first step is to fill the t=blanks with 2 and 4.
Then proceed as follows:

And there you are! Feel free to comment with questions, and have a grwat day!
:)
330 miles are driven in 5 hrs and 45min at a speed limit of 56mph