Which organelle breaks down sugar molecules that supply energy to the cell?

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

What is the vertex form of f(x) = x2 + 6x + 3

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?