The answer is C for that question
Step-by-step explanation:

Answer:
(1,3)
Step-by-step explanation:
Rotating clockwise means that you're rotating by a negative angle measure. The rule for rotating -90 degrees is (x,y)->(y,-x). X is (-3,1) so X' should be (1,3) since you negate -3 to get 3 and switch the x and y coordinates.
Answer: 44 desks.
First of all, you need to find how many desks there are in total. To find it, you need to multiply 8 with 6.
8 x 6 = 48
Next, it says that four desks were removed. All you need to do is subtract 4 from 48.
48 - 4 = 44.
Answer:
0
Step-by-step explanation:
Just 4 people per year would overflow the landfill, how would it survive 6480 people?