Answer:
A) Someone totally messed up my room; my sister looked very guilty.
Explanation:
Semicolons are kind of a period to a sentence, but it is used to link two sentences about the same topic into one sentence.
Answer:
750
Explanation:
<em>I'm gonna make my best effort here... (it's been a long hecking time since SAT math last year :P)</em>
Set both equation equal:
5x = -15x + 3000
20x = 3000
x = 150
Plug into any equation because both are equal anyway:
y = 5x
y = 5(150)
y = 750
(a, b) --> (x, y)
The point is (150, 750) and b = 750
Answer:
The angular velocity is the rotation speed, which is the angle of rotation
of the windmill per second, which is 2·π radians.
Explanation: