Combine like terms.
-14cd + 15cd - 15cd = -14cd
-2c²d² + 9c²d² = 7c²d²
7c²d² - 14cd is your answer
hope this helps

Let's solve your problem:
The answer would be 280%.
We know the following information:
2pm - 15 toilet paper rolls
5pm - 57 toilet paper rolls
We have to find the <u>percent rate of change.</u>
Here is how we will do this problem:
<h3><u>
First, Set up a ratio:</u></h3>
Change in the quantity [15 - 57]
-------------------------------------
Original quantity [15]
57 - 15 = 42
<h3><u>
Next, we will divide. the ratio.</u></h3>
Given quantity - 42
Number of packs sold at 2pm - 15
Fraction - 42/15
<h3><u>
Convert the fraction to a decimal.</u></h3>
Fraction - 42/15
Decimal - 2.8
<h3>
<u>Make the decimal to a percent.</u></h3>
Decimal - 2.8
Percent - 28%
<u>Add a zero to the 28.</u>
<h2><u>
Our answer is 280%</u></h2>
<h3>
</h3>
Answer:
x=1 or x=−1 its either one of the other.
Step-by-step explanation:
Answer:
231 yd²
Step-by-step explanation:
h·b=A
17.5 · 13.2 = 231 yd²