Answer:
<h3>x = -2</h3>
Step-by-step explanation:
Collect like terms
Add similar elements
2.6 because you substract
It be 81.
You have to take half of -18 which is -9, and square that, which is 81.
Answer:
$36000
Step-by-step explanation:
We have a mean price of $4500 this means that in the 8 cars we have cars with higer and lower prices than $4500 but that if we have to give the same price to 8 cars that would be $4500. Then to know the total price of the all 8 cars we just have to multiply: