Answer:
purse A because it's cheaper though it has less days it's still cheaper
Exponent rule : a^-b = 1 / (a^b)
1/9 ^-3 =
1 / (1/9^3) =
1 / (1^3) /(9^3) =
1 / (1/729) =
1 * 729/1 =
729
ur answer is B
The answer is no y varies 8 x varies 2
Answer:
.
Step-by-step explanation: