Answer:
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
The dimension of the box is

Space occupied by the box is equal to its volume i.e.

The volume of the box is
.
Answer:
The domain is all real numbers
Step-by-step explanation:
In any infinite quadratic equation, the domain is all real numbers.
Answer:

Step-by-step explanation:
Let x be the distance from the foot of the ladder to the base of the building.
We have a right triangle, so we can use Pythagoras' Theorem.

Answer: The boots were marked $86.
Step-by-step explanation: We know Mica's total was $100 for the bill. He got the only hat left marked $12, and a pair of boots. Before tax and after a 50% sale, her total is $100. Since she spent $12 for the hat, we know the rest of the money is going towards the boots. The boots will cost $86.
Hat($12) + Boots($86) = 100