Is this a function or not a function

I have to factor this expression 2x+2

What is the property of - 7+8 (-5) + 2

A bag contains yellow marbles and red marbles, 42 in total. The number of yellow marbles is 3 more than 2 times the number of red marbles. How many yellow marbles are there?

Under what circumstances would you file form 1040a? form 1040?

Eight more than one-fourth of d

Find the slope for the following line:y=3/4*-7

My last question had something wrong with the typing, so im remaking the post Samuel has a collection of toy cars. His favorites are the 27 red ones which make up 60%, percent of his collection. How many toy cars does Samuel have?

Find the solution set x^2-7x-8=0 separate the two values with a comma

The bookshelf was bought at a wholesale price of $147.00, and Gabriela Furniture Store Marie up all Furniture by 60%. At what price should the manager sell the bookshelf?

Which of the following is a statistical question? A. What is the average of all your scores this semester? B. What was your score on the last exam?