It works because 7 x 9 x 10 is the same thing as 7 x 90, since 9 x 10 is just 90. So basically he is just writing more but the answer will still be the same.
Answer:
no -9/4 is irrational
Step-by-step explanation:
vacsusvvsjshsvsh plz give brainliest
W=-5 because you distribute at the beginning with the 2 variables and you solve that's equation and you will end up with 6w divided by 30 and that's will give u W=-5
Answer:
165
Step-by-step explanation:
-21+186=165 .....
