Is jerry one is 1/10 of a mile each day, how many days will it take him for one to run 4/5 of a mile?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?