For this case we have the following equation:

We must clear the variable "x":
We multiply by 2 on both sides of the equation:

We divide by h on both sides of the equation:

We subtract "a" on both sides of the equation:
Answer:
Answer:
0.2121~
Step-by-step explanation:
It's a repeating number. 0.0212121212
Answer: This is very late but but for helping other people in the future, the answer is 33. I took the test and it's correct. Here is a screenshot:
Step-by-step explanation:
Answer:
-20x+745. (expression). y= -20x+745 (Equation).
Step-by-step explanation:
Hope this helps.
x: the number or days.
y: the total number pictures that have been deleted.
M=3 is the correct answer