Answer:
(a)
>install.packages("air4")
>library(air4)
>attach(UN11)
>plot(ppgdp, fertility)
Check attachments for the plots
Answer:
b. (2,0)
Step-by-step explanation:
To find which ordered pair is a solution, we have to replace then into the equation, and the result has to be an identity, that is, 0 = 0.
Equation:

Option a:
, so 




Not an identity, so this ordered pair is not a solution.
Option b:
, so 




Identity, and thus, the correct answer is given by option b.
Answer:
Q.1
The Answer is Option B) 2 × 10-¹²
Answer:
19) 17+5
20) 7+10
21) 44/11
22)6/2
23)6x2
24) 14+4
25) 3x13
Step-by-step explanation:
hope this helps
The answer is 24 square units