Answer:

Step-by-step explanation:
--- sides





Required
The measure of B
The interior angles of a polygon is:

So, we have:



The measure of B is calculated using:

Substitute known values

Collect like terms


Collect like terms


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Matt's steps will be more complicated since Annie is using a program to do the constructions hers would probably be precise and easy.
Answer:
$0.0756 for 18 oz
$0.0634 for 32 oz
Step-by-step explanation:
Answer:
x
= 4
/3
Decimal Form:
x
= 1.
33333 (repeating)
Mixed Number Form:
x
= 1 1
/3
Step-by-step explanation:
Answer:x=-2 y=-6
Step-by-step explanation:
11x+4y=-46..........(1)
7x-4y=10..............(11)
Add (1) and (11)
11x+7x+4y-4y=-46+10
18x=-36
Divide both sides by 18
18x/18=-36/18
x=-2
substitute x=-2 in (11)
7x-4y=10
7(-2)-4y=10
-14-4y=10
Collect like terms
4y=-14-10
4y=-24
Divide both sides by 4
4y/4=-24/4
y=-6