Answer:
-9/2
Step-by-step explanation:
-4n=12+6
-4n=18
n=-18/4
n=-9/2
The equation would be y = 7.50x - 8.
The graph would be an increasing straight line.
Answer:
sum of the first 27 terms = -1431
Step-by-step explanation:
<h3>arithmetic series sum of the first n terms formula:</h3>

n = 27 terms
first term, a = 25
common difference, d = 19 - 25 = -6
substitute the values into the formula





Answer:
y = -3 or (0,-3)
Step-by-step explanation:
y intercept is when x is 0 so substitute 0 for x:
y=-6(0)-3=0-3=-3
y = -3
The answer is going to be D