A: -4/5
Sum means addition
-3/5 + -1/5= -4/5
Answer:
The answer is B.
Step-by-step explanation:
some of the y values are paired with two x-values.
Answer:
these triangles some is 90°.
72°+2x=90°
2x=90°-72
2x=18
x=18/2
x=9
Answer:
x=26
y=116
Step-by-step explanation: