(-7,-8) is the center and 8 is the radius.
Answer:
Step-by-step explanation:

So in order the trinomial a perfect square we need

When n is equal to this number that we have

Answer:
5x+8=26.50
Step-by-step explanation:
Because the books are equal in price, we can use x to represent the price of the books and 5 to represent the amount, so it would be written as 5x. Then we add 8 because that's the price of the one DVD. It tells the total is 26.50, so the full equation written would be <u>5x+8=26.50</u>
Answer:
7x^{4} - 56x^{3} + 35x^{2} + 28x - 42
Step-by-step explanation:
I hope is still help.
2 steering wheels manufactured each hour were defected
There were 50 steering wheels manufactured per hour
The fraction is

Divide 2, which is the numerator by 50, which is the denominator
2÷50=.04
To change any decimal into a fraction, multiply by 100
The multiply .04 by 100 to change into a percentage
.04×100=4.⇒4%
4% is the percentage of defective steering wheels