Answer:
Step-by-step explanation:
They are closed under addition, subtraction and multiplication.
300 right handers
4y+10=-5
4y=-5-10
4y=-15
y=-15/4
y=3.25
The slope is the change in Y over the change in X
Slope = (-5 - -10) / (-2 - -9) = (-5+10) / (-2+9)
Slope = 5 / 7
all work is shown and pictured
can you take a better picture please
it's a bit blurry