Answer:
Widgets should be sold by $38.88 to maximize the profit.
Step-by-step explanation:
Vertex of a quadratic function:
Suppose we have a quadratic function in the following format:

It's vertex is the point 
In which


Where

If a<0, the vertex is a maximum point, that is, the maximum value happens at
, and it's value is
.
In this question:
The profit is given by:

Which is a quadratic function with 
The maximum profit happens at the x of the vertex. Thus

Widgets should be sold by $38.88 to maximize the profit.
The correct answer is 400 yrds
Hope this helps
Answer:
Step-by-step explanation:
Answer:
12 cubes
Step-by-step explanation:
To find out how many cubes can fit into the rectangular prism, we need to find the volume.
Volume is Length × width × height
×
×
The volume is 12 units cubed.
We can fit 12 1-centimeter cubes in the rectangular prism.
<u>Hope this helps :)</u>