Answer:
7x-4
steps:
distribute 2 through the parentheses
2x-4+5x
collect like terms
7x-4
Answer: look for item
get item
buy item
Step-by-step explanation:
look for item
get item
buy item
Answer:
10
Step-by-step explanation:
The 7th tower will be 161 cm tall. You take 115 and divide it by 5 and then you get how much each cube is ,then you get 23 per cube then you multiply 23 by 7 and that's how you get your answer.