always because the opposite of a positive is a negative, and the opposite of a positive is a negative. But zero is neither positive or negative, therefore is has no real opposite and is zero.
Answer:
n=10
a10= - 3 (2)^(10-1)= -3(2)^9
= -1536
18 6/7<em /> is the awnser
Answer:
a
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
The equation of a horizontal line parallel to the x-axis is
y = c
where c is the value of the y- coordinates the line passes through
y = 4 is a horizontal line passing through all points with a y- coordinate of 4