Derek bought a set of stamps. the number of stamps in the set he bought is divisible by 2,3,5,6, and 9.which set is it?

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

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.

What’s the volume of the triangular prism?