The probability that your ticket will be chosen in a drawing is 6% there are 250 tickets in the drawing how many tickets are yours

Perform the indicated operation. 8/a - 6/a + 7/a

Hi my sisters and brothers can tell me the answer because i don’t understand the question

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second