How the greater common factor of the number 10 15 can be used go reduced the fraction 10/15

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.

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position