Which of these shows 9 + 4p rewritten using the commutative property of addition? 4p + 9
9p + 4
9 − 4p
4p − 9

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

What numbers are included in the set of integers? what numbers are not included?