What is the expanded form of 7,403?

$$u\times9\ =\ 45$$

Which expression can be used to find the value of $$u$$ ?

Select all of the polygons that are a quadrilateral with at least one pair of parallel lines.

n $$>\ 8,563$$

Select all the numbers that could be represented by n.

Which of the following shows the correct area and perimeter of the rectangle?

Select all of the following numbers that are odd.

Select all the possible names for the shape shown.

$$\frac{2}{6}\ <$$ ?

Select all the fractions below that make the comparison true.