What is the degree of 5x^3+3x^2-4x+1

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

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 solution on the interval [0, 2pi)