Answer:
3.75
Step-by-step explanation:
We can write a ratio to solve
3 lbs x lbs
---------- = -----------
9.75 y dollars
Using cross products
3y = 9.75 x
Divide each side by 3
3y/3 = 9.75x/3
y =3.75x
The constant is 3.75
Ans given below
-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
1) "x2" was replaced by "x^2". 1 more similar replacement(s).
Raising zero to a power is not allowed
