To find a percentage of a number, multiply by the decimal form of that percentage(20%=0.20). So, take the cost, $430, and multiply by common state sales tax (7% for me)---430 x 0.07 = 30.10 The sale tax rate is 7%.
Answer:
16
Step-by-step explanation:

Answer:
A
Step-by-step explanation:
Answer:
Mostly correct
For Q3, you are doing great, you remembered that negative numbers can happen if the exponent is an odd number.
For Q4, I think you were confused with the fractions,
4(i)

4(ii) is also wrong but I'll let you try to fix it yourself following what I given you for 4(i). You should get 1/64
Hope this helps!
Answer: C
Explanation: It would be c because, there is no certain time it takes to take a shower.Someone could take a shower for a hour or 10 minutes.
Continuous Data means there is no set or certain time.So like a shower, you can take however long you want.