Given the following diagram, find the missing measure. ?

m_2 = 50", m 3 = 100°,m _4 =
30
o 50
O 100
o 150

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

What is the probability of rolling a single die greater than 4

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?