If x=10 and y=2, what does 10x + y2 equal?

If x=20 and y=5, what does 4x + y3 equal?

A growing pattern starts with three tiles in position 1 and grows by four tiles in each subsequent position. This could be represented by what type of expression?

A pattern starts with three tiles in position 1, and the quantity of tiles added changes in each subsequent position. This is an example of a:

Tara has one dollar and makes 3 more every day. An expression that would illustrate this is: