Answer:
Step-by-step explanation:
X = number of Yan's marbles. x-3 = number of Geraldo's marbles
annswer: x + (x - 3) = 21
hopes this helps :)
Answer:
simple interest
Step-by-step explanation:
this is because r is interest rate, p is principal, and t is time
The answer would be the third one .
Perpendicular would always be the opposite of your original slope.
Hope this helps! (:
I think you need to make the 6 positive and then add it to 13 which would give you a=19