What the cube root between 100 and 600

In the surface area formula for cylinders which expressionrepresents the lateral area

What is the standard form of -5x^2+2x^4-11+x^3+3x

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?