Hi guys! could you please help me out with this real quick? Thanks y'all!

-Grace :))

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

How to use order of operation in 20 divide by 4 multiply 5 = 1

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.