Answer:slope = -2/3
Explanation:Slope of line can be calculated using the following formula:
slope =

We are given:
point (1,7) representing (x1,y1)
point (10,1) representing (x2,y2)
Substitute with the givens in the above formula to get the slope as follows:
slope =

= -2/3
Hope this helps :)
Answer:
4 or-1- i dont know
Step-by-step explanation:
Answer:
The x-value is -2
Step-by-step explanation:
U can substitute any of the equations for y
-5x + (-9) = 2x + 5
-9 = 7x + 5
-14 = 7x
-2 = x
x = 2
Answer:5 hours because -2.5*5=-12.5
Step-by-step explanation:
Answer:
Estimation. 31 Exact Answer 30.702
Step-by-step explanation:
I rounded 2.6 to 2 and 22.652 to 23 and rounded 5.45 to 5 and that is how I got my estimation and then I added them all up to get the exact number