5(p-1) + 3(p-0.75) in a longer equation please help i have no idea

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?

Write the pair of fractions as a pair of fractions with a common denominator

How can you construct perpendicular lines and prove theorems about perpendicular lines