Find y. (geometry) thank you :)

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Pls what is the decimal equivalent of 5 over 9? select one: a. 0 point 5 bar over top of 5 b. 0 point 6 bar over top of 6 c. 0 point 8 bar over top of 8 d. 0 point 9 bar over top of 9

What is the domain of the step function f(x)=[2x]-1?