Clara states that r² + 5r + 3r is an equivalent expression to 9r. Why is Clara's statement incorrect? You need to substitute using r=1, r=2 and r=4 in both expressions to see if they are equivalent. Then read choices carefully. Choose all that apply. *

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.