If the diameter of a circle is 7/2, what is the radius, circumference in terms of pi and what is the approximate circumference? you so much to whoever answers

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)