You toss a pebble into a pool of water and watch the circular ripples radiate outward. you find that the function r(t)=12.5 describes the radius of the first circle r in inches after t seconds. the function a (r)=πr^2 describes the area a of the circle. find a (r(t)) when t=2. then interpret your answer. find the area of the circle after 4 s.

Linda and ralph have signed a contract to purchase a home. the closing date is april 27, and the buyer owns the property on the day of closing. the selling price of the home is $782,500. linda and ralph obtained a fixed-rate mortgage from a bank for $685,000 at 7.35% interest. the seller has already paid $14,578.15 in property taxes for the coming year. how much will linda and ralph owe in prorated expenses? (3 points) $64,925.65 $34,347.06 $10,496.82 $9,945.06