Answer:
39x + 945 ?
Step-by-step explanation:
use like terms, 18x plus 21x and 483 plus 462
Ummmmmm it's asking u to count the sides adding them and subtracting them
Answer:
no
Step-by-step explanation:
9000 has three zeros
whereas 90,000 has four zeros
when you multiply 9000 with 10 ,you get 90 thousand
