The levels of mercury in two different bodies of water are rising. in one body of water the initial measure of mercury is 0.05 parts per billion (ppb) and is rising at a rate of 0.1 ppb each year. in the second body of water the initial measure is 0.12 ppb and the rate of increase is 0.06 ppb each year.

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?