Lots of points giving brainleast asap answer as many as possible plz

define social media. what are the purposes of each platform?

define cyberbullying. what are ways to avoid, or stop it from happening to yourself or someone else?

what are signs of cyberbullying? what are some resources to access if you, or someone you know needs ?

define online etiquette. what are some examples.
evaluate your own online presence, explain what you would like to change and why.

describe a plan that you can implement to improve your online presence in a positive manner.

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?