Answer:
there’s no image
Step-by-step explanation:
Answer:
Option B
Step-by-step explanation:
we know that
The sum of an arithmetic series is equal to
S=n(a1+an)/2
where
a1 is the first term
an is the last term
n is the number of terms
In this problem we have
n=20
a1=102
an=159
substitute the values in the formula
S=20(102+159)/2
Answer:
A and D
Step-by-step explanation:
Answer:
-3<x
Step-by-step explanation:
10 < 3x + 19
10 - 19 < 3x
-9 < 3x
-9/3 < x
-3 < x
Step-by-step explanation:
I'm not sure but I think there are 2 terms!
