Is a temperature of 35 degrees Fahrenheit as cold as a temperature of -35 degrees Fahrenheit?

Which is an equation for the nth terms of the sequence 12,15,18,21

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics