What is the answer (16-2k)-(5x-2y)

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

State one method by which you can recognize a perfect square trinomial.

The area of a circle is equal to 1 dm². find the radius of the circle.