Aplaine's altitude changes by -1,000 feet. is the plane going up or down?

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

b). 4320 have a nice day

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8