a snowboarder travels 105 meters in 7 seconds how far will the snowboarder travel in 14 seconds ? explain please!​

Can someone be awesome and me with : (

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?