The like terms are 5x and 3x because they both are apart of the x family !
well, the pencils are 9 bucks, but they're selling for 9.63, meaning the tax is 0.63 or 63 cents.
now, if we take 9 to be the 100%, what is 0.63 off of it in percentage?
Answer : The cost of 10 balls will be, 13.5 dollars
Step-by-step explanation :
As we are given the following expression:

where,
P = total price (in dollars)
n = number of balls used
Given:
n = number of balls used = 10
Now we have to determine the cost of 10 balls.




Thus, the cost of 10 balls will be, 13.5 dollars
Not enough information im srry :|
False, they would be called Complementary