Answer:
The answer would most likely to eight. If not use the formula Base x Height
Step-by-step explanation:
20x^4-39x^3-16x
Make sure to multiply all the terms by each other in the two parentheses
Answer:

Using Pedmas rule:

<u>subtract: 6-6 = 0</u>

<u>simplify the following</u>

<u>the numerator and denominator cancels out</u>

Answer:
The 3rd one as it's cubic
Answer:
Decreased by 40%!
Step-by-step explanation:
At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.