It does not have to be right, it just has to be somewhat accurate! Please, and thank you! ASAP

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.