Answer:
Because 2+2 equals 4dd
Step-by-step explanation:
7y + 10x = 99
y - x = 2
y = 7 , x = 5
For some reason its not letting me send you it so like here is a pic
The answer is 32. You have four trays each have 8 bars so multiply 8 and 4.
8*4=32
Answer:

Step-by-step explanation:
Given

Required
Evaluate when n = 12
Substitute 12 for n in 

Simplify the fraction

