100 - 45 - 20 (0.2 = 20%) - 12.5 (1/8 = 12.5%) = 22.5%
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:
(x-2,y+1)
Step-by-step explanation:
from point (1, 3) to (-1, 4).
x=1 to x=-1
x-2=-1
1-2=-1
from y=3 to y=4
y+1=4
3+1=4
Answer:

Step-by-step explanation:
Using the rule of exponents
⇔
, then
=
= 
First, let's calculate the actual cost.

is the actual cost of six nights.
The formula for percent error is
The bars (|) stand for absolute value which gets rid of the negative sign if there is one.
Plug in the values:

<span>

</span><span>

</span>

<span>
</span>

<span> is the percent error.</span>