Melanieis training for atrack meet. She ran 21 miles 5 times this week. How far did Melanie run this week?

For the inequality |c| < |d| to be true, which of the following must be true?

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.

Of . 3x+4y+4z=4, 5x+7y+3z=5 4x+5y+7z=7