6y^2-7y-3-2y^2+9y+7 (pretend that you're multiplying -1 to 2y^2-9y-7 which is why 9y and 7 are positive now).
Now you're able to simplify your problem, so...
6y^2-2y^2= 4y^2
-7y+9y= 2y
-3+7=4
4y^2+2y+4
Might want to check my math but that's how you do it.
Write them out as a fraction then reduce them. If theyre the same then its proportional.
25/45 can be cancelled down to 5/9
15/27 can be cancelled down to 3/9
So no theyre not.
Answer:
D.) 6
Step-by-step explanation:
Discount are used to reduce the costs of items
The percent paid to determine the advertisement is incorrect
<h3>How to determine the correct percentage</h3>
The initial prices are given as: $44.00 to $152.00
And the discount is: 45% to 51%
At a discount of 45%, the price of the items would be:




At a discount of 51%, the price of the items would be:




The calculates prices show that the percent paid to determine the advertisement is incorrect
Read more about discounts at:
brainly.com/question/23103804
(0, 56)
hope this helps :D