Answer: 11, 30
Step-by-step explanation:
Given
There were a total of 41 national battlefields and national memorials
Suppose there are
national battlefields
So, national memorials are
The sum of the two must be 41

So, there are 11 national battlefields and
national memorials.
Answer:
x = 2/7
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain the variable
Answer:

Step-by-step explanation:
Use the Pythagorean theorem. 
a and b are the two side lengths
c is the hypotenuse (value across from the right angle)
Plug in the values that you are given.

Solve for x


x=
