Translate subtract 10 from r, then subtract 4 from the result

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?

Find the quotient 9(cos135+isin135)/7(cos10+isin10)

What is the equation of the line that passes through (3,5) and is parallel to y=2x+6