Answer:
False
Step-by-step explanation:
-x^2+x is the same as x-x^2.
Only difference is the way it's written.
Answer:

Step-by-step explanation:
To add the polynomials
Remove parentheses:

Group like terms:

Add similar elements:

The Standard Form for writing down a polynomial is to put the terms with the highest degree first,its term of 2nd highest is 2nd etc..
In our case the standard form is

Answer:
18
Step-by-step explanation:
first find your unit rate 15/50=.3
then you multiply by 60 to get 60 minutes=1 hour
.3*60=18
Answer:
106.25 mph
Step-by-step explanation:
since the car travels at 85 miles per hour we divide it by 60 seconds in order to find how many miles is it to get in a minute
=> 85mph ÷ 60
divide 85 by 60
=> 1.416
multiply 1.416 by 15 to get how many miles it to go in 15 minutes
=> 21.25
then add it to 85
=> 106.25
Discount = 4000 x 0.25
You save = $1,000.00
Final Price = Original Price - Discount
Final Price = 4000 - 1000
Final Price = $3,000.00
I don’t know if this is what you wanted but hope this helps you!
:) have a great weekend!!