Find the sector if the angle is 75 degrees and the radius is 2cm​

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?