1. What is a Rectangular Coordinate System? a. It is used for naming points in a plane.
b it is a plane used for graphing linear functions:
c. It is used to determine the location of a point by using a single number
d. It is a two-dimensional plane which is divided by the axes into four regions called quadran​

d. It is a two-dimensional plane which is divided by the axes into four regions called quadrant

As for your final task for this lesson, you will need to prepare and deliver a speech on a familiar issue. You are free to decide on what issue to discuss, but your speech should only range two (2) to three (3) minutes only. You will also have to employ the different techniques in public speaking cited in this lesson.

Step-by-step explanation:

As for your final task for this lesson, you will need to prepare and deliver a speech on a familiar issue. You are free to decide on what issue to discuss, but your speech should only range two (2) to three (3) minutes only. You will also have to employ the different techniques in public speaking cited in this lesson.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6