Brandon has won 4 out the the last 12 times he has played his older brother at their favorite video game. he wants to prove that he is as good as his brother by having a win record of 50%. which equation could he use to determine how many games he would have to win in a row to achieve his goal?

step-by-step explanation:

yes

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8