Answer:
y=10.1(x)
x=
Step-by-step explanation:
It is said in the problem that y would represent how much money she earns and x represents the number hours she works.
so it also said that the amount of Jessa earns is proportional to the amount of time she works .
finding y will be easy dividing 252.50 by 25 will give you 10.1
so how did we get that equation
y will represent the amount and x will represent the hours 
 
        
             
        
        
        
Answer:
E) The sample size is n = 1,000, and 50 percent of all students use the vending machines.
Step-by-step explanation:
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The slope is three because the x goes up 1 and y goes up 3 so it’s 3/1 which makes the slope 3