Pls help it is 7th grade level math from khan academy.

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.