If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = −16t2 + 64t + 4. Answer options:

2 plus or minus square root of 17 end root over 2

quantity of 2 plus or minus square root of 17 all over 2

2 plus or minus 4 square root of 17

quantity of 16 plus or minus square root of 17 all over 2

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?

Evaluate the expression. (9 + 5)(3 + 2)0

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b