Darth Vader unleashed the dark side on the unsuspecting Jedi in 2 seconds. If he did 1725 J of work, how much power did he use? Please show working : )

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought