Find the quotient of 5+4i/6+8i , and express it in the simplest form

Which number line represents the solution set for the inequality -1/2x> 24?

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.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!