Answer:
Step-by-step explanation:
It would be 7/10 because since 10/10 is the Earth, and 3/10 is water, 10-3 is 7.
Step-by-step explanation: ITS RIGHT CAUSE I ACTUALY THOUGHT ABOUT IT
Answer:
The slope is 2
Step-by-step explanation:
Given
x y
2 3
5 9
Required
Determine the slope
First, we have:


The slope is then calculated as:

This gives:



<em>Hence, the slope is 2.</em>
Answer:

Step-by-step explanation:
Given

--- first discount
--- second discount

Required
Determine the amount paid
First, we add the total discount:



If she got a discount of 40%, then she paid 60% (i.e. 100% - 40%)
So:


Calculate the sales tax




Answer:
y = $15.50x + $10
Step-by-step explanation:
y =mx +b
y = $15.50x + $10
m = cost per months
x= number of months
b = Money to join
y= total cost