Greg is in a car at the top of a roller-coaster ride. the distance, d, of the car from the ground as the car descends is determined by the equation d = 144 – 16t^2, where t is the number of seconds it takes the car to travel down to each point on the ride. for which interval of time is greg’s car moving in the air?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

What is the measure of sty in oo below? 130 310 230 50

Pls never taught i’m really confused and i rlly need