Answer:
c = 4
Step-by-step explanation:
In a perfect square trinomial, the following relationship is true:

In order for the given expression to be a perfect square trinomial:

Solving for 'c':

Therefore, c must be equal to 4.
Answer:
C
Step-by-step explanation:
In the rest of the choices the vertical lines intersects the graph in more than one point. C is the only one that the vertical line intersect in one point
5*2=10
10+12*4.5=64cm^2
Hope it helps
<span>64.38 = (1 x 100) + (6 x 10) + (4 x 1) + (3/10) + (8/100)</span>