Answer:
c
Step-by-step explanation:
The birthday would have been on saturday
12x - 11y = 75 . . . . . . . . (1)
5x - 11y = 89 . . . . . . . . (2)
(1) - (2): 7x = -14
x = -2
From (1): 12(-2) - 11y = 75
-24 - 11y = 75
-11y = 75 + 24 = 99
y = -9
Therefore, x = -2 and y = -9
Answer:
Correct choice is A
Step-by-step explanation:
The volume of the cylinder can be calculated using formula

where r is the base circle radius and h is the height of the cylinder.
In your case, 
then
