Thirteen plus seven is twenty. One fourth of twenty is five.
The answer is five.
C: 7(-n) - 3 = n + 4
hope it helps!
Answer:
No I didn't But thank you for asking
Answer:

Step-by-step explanation:
we would like to factor the following:

let a²+b²=x
thus substitute:

rewrite the middle term as 4x-22x:

factor out x:

factor out -22:

group:

substitute back:

and we are done!
Answer:
Where are the expressions?