What number could be a common denominator for these two fractions? 2/3 and 3/4

3
7
4
12

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?