Answer:
3(7a - 9)
Step-by-step explanation:
21a–27
3*7*a - 3*9
Factor out 3
3(7a - 9)
84 is 60% of 140!
To get this answer, you have to do 84 x 100 and you get 8400: Then you divide 8400 by 60 and get 140.
Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms—all of which interact slowly yet constantly. ... Therefore, most living things on land depend on soil for their existence.
It depends on which triangle it actually is
Answer:
208,080
Step-by-step explanation:
(8x102)x(2.5x102)
102x8=816
102x2.5=255
(816)x(255)
816x255=208,080
