Answer:
given
n=9
a=1
d=3-1=2
Step-by-step explanation:
now , by formula,
sn = n/2(2a+(n-1)d)
= 9/2(2×1+(9-1)×2)
=9/2×18
=81
Answer is A
Just make sure you do know how to do them :)
Answer:
$503.90
Step-by-step explanation:
6500 X .93= 6045
6045/12=503.90
Answer:
Slope: 1
Step-by-step explanation:
A variable is always worth 1 if there is no number in front of it. In this case there is no number, so just draw in a one.
Half a book each month!!! have a good day!
