Answer: 
Step-by-step explanation:
For balancing a hanger,
The weight of both sides of the hanger must be equal,
Here, the left side weight = 24 unit,
While the right sides total weight = c + c + c + c + c + c
= 6 c
For balancing it,

⇒ 
Thus, in the balancing equation the value of c will be 4.
Answer:
Total number of Hardcover books is TWO while the number of Paperback books is FIVE
Step-by-step explanation:
No. of hardcover book = x
No. of paperback book = y
Cost of one hardcover book = $8
Cost of one paperback book = $5
We are given that:
x+y=7 (Equation 1)
8x+5y=41 (Equation 2)
We can find out value of x and y by solving both equations simultaneously.

Hence, Total number of Hardcover books is TWO while the number of Paperback books is FIVE
Answer:
2nd choice
Step-by-step explanation:
csc is 1/sin
cos x 1/sin will give you cos/sin, which is cot.
I believe that is the answer
Answer:
42
Step-by-step explanation: