Answer:
O 40
Step-by-step explanation:
because if you are doing algebra the term for a number is a letter and instead of doing 4xO you substituted to 4O
Answer: First option.
Step-by-step explanation:
You need to remember that to factorize the given expression
, you need to choose two numbers that when you add them you get "10" and when you multiply them you get "21".
These number are:
7 and 3
Because:

Therefore, you get that the factorization of the expression
is the following:

You can observe that this factorization matches with the first option.
Answer:
7 people
Step-by-step explanation:
13-4=9
9+2=11
11-6=5
12-5=7
8(8x+10) could be used as a equivalent expression.
The answer for this question is C