What can you say about the marked angles? a. they are corresponding angles and are congruent b. they are corresponding angles and their measures add to 180° c. they are alternate interior and their measures add to 180° d. they are alternate interior and are congruent

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x