Answer:
so 80 plus 20 is a 100
Step-by-step explanation:
thats it
It looks like you already have a common denominator (y^2-9). So, you can just add the two numerators and put that over the common denominator. Hope this helps!
Answer:
Height should be ≤ 9 inches.
Step-by-step explanation:
Given:
Frank is making a pennant in the shape of a triangle for his senior class photo.
Base of triangle = 6 in
Area of triangle ≤ 27 
Let height of the triangle be h
Now we now that,
Area of triangle = 

Hence the height of the triangle must be at most or ≤ 9 inches.
That quadrilateral is a parallelogram. Parallelograms have 4 sides and the opposites side are parallel to each other.
That does not make sense sorry :(