There are 35 counters in a bag. 29 of the counters are white.

6 of the counters are yellow.

Kieren takes two of the counters at random.

Work out the probability that the two counters are the same colours

What is the area of triangle abc if a = 8, b = 11, and c = 15?

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.