Which of the following statements best gives the reasons that a long distance telephone bill is and essential (variable) expense?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Miranda is braiding her hair. then she will attach beads to the braid. she wants 1_3 of the beads to be red. if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?