Plot -1, 8, and -11 on the number line.
5
10
-10
-5
0
X

-1 is the first line after 0

8 is 3rd line one the right side after 5

-11 is just first line after 10..

I hope U understand

plot the numbers on the dots you count. if its negative, go down from zero, if its positive go to the right.

Step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed