Haley's Comet visits the inner solar system and is visible from Earth roughly oncc every 76 years. Chinesc astronomers recorded the earliest surviving documents of its in 240 BC. Western astronomers began consistently recording the comet's appearance when Haley appeared in 1378. How many times is Haley's Comet expected to be visible from Earth between 1317 and 2317, inclusive? appearance

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

In angle pqr find the measure of