Answer:
first 5y-4y does not equal 9y.
second 3x-x is 2x but he put 3.
Step-by-step explanation:
Math - Answered Sun.Sept.19.2021
If It Helped Please Rate And Heart.
craig forgor how subtraction works
mistake 1: instead of doing 3x - x, he did like multiplication and also forgor about the negative sign and somehow got 3.
mistake 2: instead of doing 5y - 4y, he did 5y + 4y
if he did it right, the answer would be 2x + y
A. 14,000
because 673 rounded would equal 700
and 18 rounded would be 20
so 700x20 would be 14,000
hopefully you understand
and i hope you have a good day :)
i think its 330 so sorry if im wrong
D. Positively skewed
B
see attachment
