What is the simplest form of the ratio 11:16?

What is the inverse of the function f(x)=2x+1

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3