Problem Solving Andrew adds two numbers. Each addend has seven digits. The sum has eight digits. What digit is in the ten millions place in the sum? Explain.

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.