When on vacation, Martha spent many hours swimming, as seen in this chart. Monday
Tuesday
Wednesday
Thursday
81 hours,
82 hours
83 hours
84 hours
Which of the numbered choices below represents the day on which she swim the longest?

Which of the binomials below is a factor of this trinominal? x^2-13+30

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.