What is the hcf of 36 and 42

What is the product of the radical expression. (7-2square root) (8+2 square root)

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

Which statements are true about additional information for proving that the triangles are congruent check all that apply