Anyone know this.

What is the negation of the following statement?
A triangle cannot contain two obtuse angles.

A. A triangle can contain two obtuse angles.

B. A triangle does not contain two obtuse angles.

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.