19,24,21,23,28,25? what comes next

Write the pair of fractions as a pair of fractions with a common denominator

The value of cos 30° is the same as which of the following?

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?