Write a linear equation f with f(5)=-1 and f(0)=-5

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

286 divided by 457.6 what is the quotient?

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.