Second one! Hope this helps :)
Answer:
c=d/a-b
Step-by-step explanation:
a(c+b)=d
c+b=d/a
c=d/a-b
Answer:
x = -1
Step-by-step explanation:
-------------------------------------------------------------------------------------------------------------
Answer: 
-------------------------------------------------------------------------------------------------------------
Given: 
Find: 
Solution: The diagonal length can be easily determined using an equation which uses the side length of a square multiplied by the square root of 2. All we need to do is plug in the values and simplify the expression.
<u>Plug in the values</u>
<u>Simplify the expression</u>
Looking at the answer options that have been provided, the option that best fits our scenario is option A, 13.
You would do 3 times 5 mines 5 which equals 10 and the you would do 5x12