B. $27,000
I hope helped ^-^
Take the first graph and translate it UP 20 units.
Lateral edge because if its slant you would slide of
Answer:
true
Step-by-step explanation:
1/2 (sin(x+y)+sin(x-y))
= 1/2 (sin x cos Y + cos x sin y + sin x cos y - cos x sin y)
= 1/2 * 2 sin x cos y
= sin x cos y
The expression is true.