Which is a unit rate? 47¢ for 2 pens
20 gallons for 2 hours
15 hours for 3 months
18 miles driven in a week

Yuri, sam and dani had the same math homework last night, but none of them finished it. yuri finished 3/8 of her homework, sam finished 4/6 of her homework and dani finished 1/2. who finished the most math homework? who finished the least amount?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?