I got the answer
They are
d -b
-d - (-b)
-d + b
...
Answers: 2
Mathematics, 21.06.2019 22:00
Two numbers have a sum of -19. one number is x. what expression represents the other number?
Answers: 2
Mathematics, 22.06.2019 02:00
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.
Answers: 1
Mathematics, 24.04.2020 23:59
Biology, 24.04.2020 23:59
Mathematics, 24.04.2020 23:59
English, 24.04.2020 23:59
History, 24.04.2020 23:59
Mathematics, 24.04.2020 23:59
English, 24.04.2020 23:59
Mathematics, 24.04.2020 23:59
History, 24.04.2020 23:59
History, 24.04.2020 23:59
Geography, 24.04.2020 23:59
Mathematics, 24.04.2020 23:59
Mathematics, 24.04.2020 23:59