Answer:
The slope to the question provided is 
Answer:
13.6 hours
Step-by-step explanation:
To find the mean you first add all the numbers together, in this case 68. Then you have to divide this by the number of scores you added, which is 5. So 68/5= 13.6
Answer:
the answer is D
Step-by-step explanation:
If you take wha it says and plug it in, it makes the most sense
3x + 4y = 19
3x + 6y = 33
2y = 14
y = 7
3x + 28 = 19
3x = -9
x = -3
3x + 42 = 33
3x = -9
x = -3
