Answer:
D. There are cases of each which have been solved by facial recognition software.
Installing active solar energy systems on all available, unshaded rooftop
space and positioning them to face south.
<h3>What is a Solar system?</h3>
A solar system usually comprises of panels which help to collect solar
energy from the Sun and convert them to other forms of energy such as:
The Passive system optimizes the use of heat or light directly from the sun
while the active systems converts the sun's energy into a more usable form
such as electricity. It is also best to position the panels to face south
because the Sun is found at this region thereby encouraging maximum
trapping of solar energy.
Read more about Solar system here brainly.com/question/19483420
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Answer:
-$19.
Explanation:
From the question, we are given the following parameters or data and they are;
=> The Amount Kathy paid = $15.
=>The amount that Kathy was willing to = pay $ 18.
=> Price of new book= $ 37.
Therefore, we will make use of expression below to calculate the value for the Consumer surplus.
Consumer surplus = MP – AP -----(1).
Where MP = maximum price a consumer is willing to pay = $18 and AP = Actual price of a particular goods or commodity = $37.
Consumer surplus= $18 - $ 37 = -$19.
