Answer:
Letting x represent the number of signatures
then
520 + 6x = 1000
Answer:
5.5 years old.
Step-by-step explanation:
Let D represent present age of Robert's dog and C represent present age of Karen's cat.
We have been given that Robert's dog is 4 years older than Karen's cat. We can represent this information in an equation as:

We are also told that in 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. After 3 years age of dog and cat would be
and
respectively.
We can represent this information in an equation as:

From equation (1), we will get:

Upon substituting this value in equation (2), we will get:

Combine like terms:





Therefore, Robert's dog is 5.5 years old right now.
Answer:
The width of the drawer is 
Step-by-step explanation:
we know that
The volume of the drawer is equal to

we have

-----> the deep of the drawer

substitute the given values in the formula and solve for W




Answer:
V = 272.3 cube units
The surface area is 418.34 square units
True is the correct answer Hope this helped =)