Answer:
The number will be 
Step-by-step explanation:
Let us assume the number as
.
Given:
⇒
less than twice a number that will be
, which is equal to half the difference of three times the number and 13
We have to find the number.
Solution:
The difference of three times the number and 13 could be represented as : 
The value be equal to
of this
⇒ 
As we can see here,
- That we got a equation ⇒

Now, we can solve the above equation:

We have multiply both sides by
⇒ 
then, ⇒ 
⇒
Hence we can say that number which was assumed as
will be 
1. Each shelf holds 5 hermit-crab cages. There are 23 hermit crab cages to be displayed. Divide the number of hermit crab cages to be displayed by the number of hermit crab cages that can be displayed on each shelf:

This means that you need 5 shelves (4 shelves is not enough, because 3 hermit crab cages will be not displayed).
2. Each shelf holds 3 hermit-crab care booklets. There are 12 hermit-crab care booklets to be displayed. Divide the number of hermit-crab care booklets to be displayed by the number of hermit-crab care booklets that can be displayed on each shelf:

This means that you need 4 shelves.
Answer: first, you have to divide 23 by 5 and find the quotient and remainder and divide 12 by 3 and find the quotient and remainder. Then you have to determine the number of shelves needed. You need 5 shelves.
Answer:
the equation that determines the length of the base, sorry i forgot the name of it
Step-by-step explanation:
Answer:
Step-by-step explanation:
y - 5 = -8(x - 1)
y - 5 = -8x + 8
y = -8x + 13
The answer to this equation is y=-8x-19
I hope this helps!!!!!!!!