Answer:
C. 56
Step-by-step explanation:
252/4.5=56
Using the formula you can get this answer
Answer:
b+3+6c, 27n+66p ,12x + 75y + 21
Step-by-step explanation:
Answer:

Step-by-step explanation:
For the quadratic equation
the discriminant is defined as

and the quadratic formula for the roots gives us two roots:

and

For the equation
use quadratic formula to find roots:

So,

Answer:
80 & 120
Step-by-step explanation:
16×5 & 40×2=80
24×5 & 40×3=120