May someone please help me? The question is: What type of triangle is DAE? Look at the image above.

Guys i really need or i have to stay late up night

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?