Shelby earned $3.60 for doing 4 surveys online. Rachel earned $5.04 for doing 6 surveys online. Who earned more money per survey? How much more?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

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.