Given s(x)=3x-6 and t(x)=6-3x Find the simplified formula and domain for the following (see attached photo) thank you so much in advance !

What is the sum or difference 4x10 – 9x10 (1 point) –5x10 –5x20 –36x10 –36x20 this is the cca test i need all the answers this is the first 2

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(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.