The third one (I think) because she gets 20$ every week
Answer:
z³=27
³√z³=³√27
z=3
Step-by-step explanation:
z³=27
³√z³=³√27
z=3
Answer:
9%
Step-by-step explanation:
We'll find the tax rate by looking at the proportion of tax to purchase amount.
That's
.