Choose the polynomial written in standard form

a. x2y2 + 4x4y + 10x6
b. x4y2 + 4x3y5 + 10x
c. x7y2 + 4x3y + 10x3
d. x6y2 + 4x3y8 + 10x2

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

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?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?