You had $21 to spend on two notebooks. After buying them you had $17. How much did each notebook cost?

2$ each notebook

First you find how much you spent. You spent 4$ then divide it in half. That is how you get the answer.

i would say the third one.

step-by-step explanation: liner would mean in a line and the only one that doesn't look like it's even thinking about forming a line would be the third one

step-by-step explanation:

a rhombus is a parallelogram enjoying his symmetry.