Rise over run change in y/change in x
1st add 7 to both sides : 3z = 21, 2nd divide both sides with 3: z = 7
Answer:
$52 to $45
Step-by-step explanation:
First put their income into a ratio:
520 to 450
Now you can put it into a fraction and then simplify it:
520/450
Divide each by 10
520/10 = 52
450/10 = 45
So 52/45
Answer:
Positive
Step-by-step explanation: