Answer:
adding the two equations together
(1.5,8)
Step-by-step explanation:
8x=12
x=1.5
y=8
Answer:
The value of
is 
Step-by-step explanation:
We want to evaluate
.
The base of this logarithm is
and the number is
.
We need to express the number
as the base
raised to a certain index.
This implies that,
Recall now that,
.
We apply this property to obtain,
Recall again that,
.This implies that,
The correct answer is C.
Using an ordered pair is a way of graphing a linear equation on a coordinate plane.
{(-1, 2), (0, 1), (1, 2), (4, 5)}.
The first one is $4 per bag, as given
For the he second one, you divide $15 by 4, you got $3,75 per bag
Therefore, the second one has the better unit price
Answer:

Step-by-step explanation:
The whole triangle and small triangle are similar (AA). Therefore the sides are in proportion:

<em>cross multiply</em>
<em>use distributive property</em>

<em>subtract 220 from both sides</em>
<em>divide both sides by 55</em>
