I really need help. Thanks for help if you help!! A golf ball is hit from the ground with an initial velocity of 208 feet per second. Assume the starting height of the ball is 0 feet. How long will it take the golf ball to hit the ground?

13 secs
21 secs
42 secs
6 secs

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?