Area of a triangle = 1/2 b•h
A = 1/2 b • h
A = 1/2 (10 cm • 9 cm)
A = 1/2 (90 cm^2)
A = 45 cm^2.
Standard form for y+7=-2/5(x-10) is y=-7-2/5(x-10)
Answer: letter D. Most of the mass of an atom comes from elctron cloud
Step-by-step explanation: your welcome and have a good day
98--8=
Step-by-step explanation:
6900 + 8100 = 15000
15000 divided by 2 = 7500
So your answer is 7500
