Almost due. would appreciate help please :)!!

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?