Simplify 3a-2b-ab-(a-b+ab)+3a6​

Which question should you ask to evaluate the credibility of health information? a.) does the article contain illustrations? b.) is the information up to date? c.) is the information available online? d.) is the information written in the united states?

Which is a contraceptive method that is classified as hormonal birth control?

What is the neurological science behind seizures?