Cynthia earns $680 in commissions and is paid $10.25 per hour. javier earns $410 in commissions and is paid $12.50 per hour.

What is the y-intercept of the graph of the equation y=3(2^x)

With math question will mark brainliest question in the pic.

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.