7. Stan can load his truck with mulch in 24 minutes. If Chris helps him, it
takes 15 minutes to load the truck. How long does Chris take ALONE?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

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?