Answer:
350 calories
Step-by-step explanation:
divide 50 by 3 then multiply that number by 21.
150 miles at a rate of 60 miles per hour. 150/60=2.5 hours
He figures that it will take 25 hours. Wrong

Step-by-step explanation:
The given equation is 
Let
be the coefficient of 
Let
be the coefficient of 
Let
be the constant.
Then the roots α,β for the equation
are 
So,α=
β=
.
So the roots are 