Answer:
Angela is correct. Ricardo made a mistake which was that he probably got confused and did four times three plus two instead of four plus three times two.
| x + 4 | = 5
x + 4 = 5 x + 4 = -5
x = 5 - 4 x = -5 - 4
x = 1 x = -9
solution : x = 1 and x = -9
I believe it’s the third option
the expression 
as a sum or difference is 
and , is simplified as 
.
<u>Step-by-step explanation:</u>
We need to rewrite the expression as a sum or difference , them simplify if possible , And the expression is :
From trigonometric identity we know that
Using the above identity we get:
⇒
⇒ 
⇒
⇒ 
⇒
Therefore , the expression as a sum or difference is and , is simplified as .
Answer:
$42.78
Step-by-step explanation:
To find the final price of the raincoat, you have to calculate the tax by estimating the 7% of the price and add that amount to the price:
$39.99*7%= $2.79
$39.99+$2.79= $42.78
According to this, the answer is that the final price with tax of the raincoat is $42.78.
