Using appropriate properties , find 7/5 × 5/12 − 3/12 × 7/5 − 1/15

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.