Is the set of all discontinuous real-valued functions complete metric space?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm