What is the value of x in the equation 5.5x = 17.6?
3.2
12.1
23.1
96.8

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?