Let x be the number of movies rented
Let y be the number of video games rented
(5x+2y=26)4
- 3x+8y=53
20x+8y=104
-3x+8y=53
-----------------
17x =51
x=51/17
x=3
5x+2y=26
5(3)+2y=26
2y=26-15
y=11/2
y=5.5
Therefore, the movies cost $3 and the video games cost $5.5
Hope I helped :)
Answer:
115%
Because to get a percent from a decimal you multiply by 100 so you move the decimal twice to the right
Graph A shows a positive linear association between x and y.
Answer:
The value of the test statistic 
Step-by-step explanation:
From the question we are told that
The high dropout rate is
% 
The sample size is 
The number of dropouts 
The probability of having a dropout in 1000 people 
Now setting up Test Hypothesis
Null 
Alternative
The Test statistics is mathematically represented as

substituting values

