2/5x+1/4x=39

what is x

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

To decrease an amount by 16% what single multiplier would you use

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.