Answer:
30% of employees work part-time
Step-by-step explanation:
i just added 9 and 21 which is 30 and then i figured out that 9 is 30% of 30
Answer:

Step-by-step explanation:
Given
Represent point A as thus;

Required
Determine the new position of A, when rotated counterclockwise
The new position will be denoted as A'
When a point is rotated counterclockwise, we start by switching the positions of x and y as follows:

Then, y is negated to give A'

Answer:
z = 36
Step-by-step explanation:
- Add nine to each side, so it now looks like this: z = 36
Answer:
x=y+4
Step-by-step explanation:
bc you add four bc it's the opposite
Im not sure, when in doubt pick C