Answer:

Step-by-step explanation:
The given polynomials are,

In polynomial addition and subtraction only like terms can be added or subtracted.
So,




Answer:
P / 30 - 21= 9
2w = 9
w = 4.5
This should be the answer
Answer:
Divide each term by 5, looking at the coefficients. The answer is x - 7y + 10
Step-by-step explanation:
There are 24 hours in a day, so if it chimes twice in an hour it will chime 24*2 or 48 times a day. There are 7 days in a week, so it will chime 48*7 or 336 times.
Number that produces a specified quantity when multiplied by itself
Example : “ 7 is a square root of 49 “ BECAUSE 7x7=49