We have (1,4) + (-1,-4) = (0,0), because 1 + (-1) = 1 - 1 = 0 and 4 + (-4) = 4 - 4 = 0.
Answer:
an= 10n+90
a10= 190
Answer: -5(7+2(-7))+15((7)+2(-7)) = -70
im not sure
The dot is the center
the long line is the diameter
the circle is the circumference
the half way line is the radius
i thing is 1
Step-by-step explanation: