Alrightie! So we are trying to isolate independent variables! WOO HOO!
So for a.) y = mx + b which is the point-slope formula... do this :)
y = mx + b
y - b = mx + b - b
y - b = mx


b.) follow the same way I did above, but instead of dividing x, divide by m.
c.) I = prt which is the equation for interest.
divide each side by pr.
d.) This one is like a and b. So lemme show ya.


Answer:
450 cm
Step-by-step explanation:
25 on both sides 2x25
4 squares = 25x4
4 sides for 4 squares = 100x4
400+50
This kind of number is known as an irrational number
D. (f•g)(x) = fgx
f(x) = 3x^2
f=3x
(3x)(x+2)=3x^2 + 6x