Estimate the product by rounding 4×472

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

How many $20 bills do you need to have to make $280