The speed of light in cold air is how many times the speed of sound in cold air?

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

If f(x)=x+7 and g(x)=1/x what is (fog)(x)