How do I answer this and can you explain it to me​

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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.