Please help if someone knows how to do this is logic:) 1. A>(B v (C&D))

2. (A&B) & (A>~A)

3. (A v B) = (~A&~B)

Pls! does anybody know a shortcut for answering these types of questions in the future?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?