$0.60 cents would be the cost of 2 lbs
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
--- angles in a triangle
Substitute: 

Collect like terms



Any number to the power of
is itself. So,
.
Here are some more examples:



Answer:
I think the answer is 12,0000
Whole number can be a integer. rational number can not be a integer that is repeating.