D the argument is not valid because the conclusion does not follow from the premises
Answer
It is $180
Step-by-step explanation:
You do 450 times 40% and you get $180
Answer:
$23.31
Step-by-step explanation:
$21 x 1.11 = $23.31
Answer:
y = -4
Explanation:
The initial expression is:
-13 = 4y + 3
So, we need to substract 3 from both sides of the equation:
-13 - 3 = 4y + 3 - 3
-16 = 4y
Then, dividing both sides by 4, we get:
-16/4 = 4y/4
-4 = y
Therefore, the solution of the system is y = - 4.