Answer:
-36,047.
Step-by-step explanation:
Sum of n terms = a1 .( r^n - 1) / (r - 1)
So Sum of 7 terms = -11 . ((-4)^7 - 1 / (-4-1)
= -11 * -16,385 / -5
= -36,047.
Answer:
b)
Step-by-step explanation:
First: find area of the entire door
15*6=90
then find area of the brown spot:
9*1=9
finally: subtract
90-9=81
Its the table on the bottom left
For each increase of 1 of x y increases by 0.5 so its linear
