You drop a rock off a bridge. the rock’s height, h (in feet above the water), after t seconds is modeled by h = -16t2 + 541. what is the height of the rock after 2 seconds?
a. –64 feet
b. 605 feet
c. 509 feet
d. 477 feet

Can someone answer this question? : )

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?