I need to solving this question

e=3f+4 [f]

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83