Answer:
Percentage of computers working equals:
90%
Step-by-step explanation:
Three of the thirty computers are out of service.
Number of computers working=30-3=27
Total computers=30
Percentage of working computers=
=
= 90%
Hence, Percentage of computers working is:
90%
Answer:
For the question on the right, I assume b is the exponential factor, or growth factor.
Step-by-step explanation:
Linear:

You can find the equation by using two points and the equation for a line.
Exponential:

X=-2 is shown on the graph.
All you need to do to find the perimeter of an irregular shape is to know all the measurements of the shape and add them all together.
The answer of this question is gonna be A