Which of these is a point-slope equation of the line that is perpendicular to y- 8 = 3(x - 10) and passes through (-2, 7)?
O A. y + 7 = 3(x - 2)
O B. y+7--}(x - 2)
O C. y-7=-3(x+2)
O D. y-7--} (x+2)

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.