4(z - 12) = 42 notetake with vocabulary

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.