Answer:
Step-by-step explanation:
(2u+3u)(u+v)-2u+3v
=2u(u+v)+3u(u+v)-2u+3v
=2u^2+2uv+3u^2+3uv-2u+3v
=5u^2+5uv-2u+3v
The answer is C
By the way, that expression means "n choose k". Hope I helped!
Answer:
b.
Step-by-step explanation:
Answer:
397.61m
Step-by-step explanation:
A = 1
4πd^2 = 1
4 x π x 22.52 = 397.60782
Answer:
The answer is 58 degrees.