Answer:
okay let's start
Step-by-step explanation:

Answer:
Horizontal line
Step-by-step explanation:
uehdjd
Answer:
-4/5
Step-by-step explanation:
r=x/2
a=2x
ar²=-1/16
x^3=-1/8
x=-1/2
sn=a/1-r
=-4/5
A=Pe^rt
P=principal(starting)
E= function on calculator
r= rate
T= time (how long)