5. A particle P travels in a straight line through a fixed point 0. Its distance s metres, from O is given by s = t - 98 + 15t + 40, where t is the time in seconds after
motion has begun. Calculate
(a) the distances of P from 0 when its velocity is instantaneously zero,
(b) the values of t when the acceleration has a magnitude of 9 ms ?,
(c) the average speed of P during the first two seconds,
(d) the total distance travelled in the first six seconds.

guys! help me with part (d) please!
answers for part (a), (b) and (c) are: 15 and 47, 4.5, 26 respectively.​

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.