Helen should of put 0 first, because if you're gonna divide, you need to put the product first, then one of the factoes.
So instead it should be 0÷(-7)=0
Tell us the value of the variable to solve
The graph is attached btw
Answer:
D
Step-by-step explanation:
Pythagorean
(x>0)
=>

Answer:
ligma
Step-by-step explanation:
a b c d