Is the opposite of an opposite number always going to be positive?

Find the x coordinate of the point.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?