if b = the number of blue bikes, which algebraic expression respresents the phrases below? the sum of the number of blue bikes and the 9 red bikes

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.