Answer:
-9
Step-by-step explanation:
Substitute 3 for <em>z</em><em> </em>and 9 for <em>w</em> in the equation.





Answer:
Discount of $12.50.
Sale price is $37.50.
Step-by-step explanation:
Since the dress is "Marked save 25%" this means yuo pay 75% of the $50 price. Remember, 100-25 = 75. This means you pay 0.75*50 = $37.50 and yuo got a discount of $12.50.
$50 - 37.50 = 12.50
Answer: b.
Step-by-step explanation: I have the answer sheet
Answer:
C) 
Step-by-step explanation:
Hope this helps!
In this question, it is given that
The population of a particular village can be modeled by the equation

where x is the number of years since 1990.
And we have to find in what year were there 1706 people living in the village?
So we put 1706 for y and solve for x. That is

Subtracting 56 from both sides.

And 1990 +15=2005
Therefore in 2005, there were 1706 people living in the village