Plz send the answer as soon as possible
( Rastionalize the denominator )

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Find the nonpermissible replacement for binthis expression.b2/5b +5