How to graph -8x - y = 8 from linear standard form?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms