144.4 is the answer when rounded of to the nearest tenth(1/10 or 0.1)
Answer:
x=12
Step-by-step explanation:
Let y equal number of pushups a day. When x = 1, y = 8. When x = 2, y = 10. 10 is a factor of 30. Multiply y by 3. However, since x increases by 1 when y increases by 2, multiply x by 6 (2*3). That equals 12. Therefore, when x = 12, y = 30.
The formula for slope is 
In this case:

so...


-1 <<<The slope
Hope this helped!
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First one (20 characters) hope this helped
Use slope formula
y^2-y^1/x^2-x^1
the answer is -4/3