Answer:

Step-by-step explanation:
Convert the mixed fractions into improper fractions.

Add the values.



Answer:
depends on what his goal is
Step-by-step explanation:
<span>A 20° sector in a circle has an area of 21.5π yd²</span>
In a quadrilateral the angles should add up to 360 degrees.
360-80-90-103= 87
So 87 degrees
The answer is A.) 1/4(n-64) because if you distribute the 1/4 onto the parentheses it becomes n/4 - 16 which is equivalent to 1/4 - 16 if n were to equal 1.