What number comes next
8421 1/2 1/4

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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?