Answer:
Step-by-step explanation:
Given
Equations are
and 
take 

Put the value of y in another equation

Put the value of x in y

Hence,
Answer:
y= = -3x -11
STANDARD FORM: 3x+y= -11
Step-by-step explanation:
If she is starting on day 1 with 0 followers and advances up 2 followers every day, by day "n" she would have 28 followers.
Answer:
P = 1/(sqrt(4)) and w = 1/(sqrt(9))
Step-by-step explanation:
Only the roots of perfect squares are rational numbers. 2, 3, 6, and 10 are not perfect squares, so their roots are irrational. Both 4 and 9 are perfect squares, so their roots are rational. The sum of rational numbers is a rational number.
