The brain helped him think that
Answer:

Step-by-step explanation:
in the equation given these are the values:
a=1 b= -5 c= -7
if we plug this in the quadratic formula 
this is simplified to 
hope this helped
Answer:
I think the answer is (8, 120)
Answer:
x = 7
Step-by-step explanation:
I hope this helps!
Answer:
$0.25/g
Step-by-step explanation:
20g --- $5.00
1g ---
× $5.00 = $0.25