Its arithmetic because it adds 1o each time
Answer:
the cost of the table is
the cost of the chair is 
Step-by-step explanation:
Let
x-----> the cost of the table
y----> the cost of the chair
we know that
-----> equation A
-----> equation B
substitute equation B in equation A





Find the value of x
---->
Answer:
the answer isn't there, but the answer is $93.75
Step-by-step explanation:
To solve a square root, get the ^2 on one side and the 81 on the other side.
add 81 to both sides.
c^2 = 81
to clear the power of 2, take the square root of both sides.
c = + - sqrt81
c = + - 9
c = 9 and c = -9
A non-arrowed line or double arrowed line segment can be named either ways of the points.
Therefore, another name for PM is angle MP.