Answer:
I don't understand
Step-by-step explanation:
Step-by-step explanation:
B
1100
To find the sum of the first n terms of an arithmetic series use the formula,
S
n
=
2
n(a
1
+a
n
)
S
20
=
2
20(10+100)
S
20
=
2
2200
S
20
=1100
Answer: 12:28
Step-by-step explanation:
40/10=4
4x3=12
4x7=28
Step-by-step explanation:
this isn't a graph of a function, this is just a series of plotted points.
Less because half of 46 is 23
