A jar has 9 pennies, 3 nickles, 8 dimes and 5 quarters. A coin is chosen at random, NOT REPLACED (not replaced is key), then another is chosen. Find the probability that a quarter was chosen followed by a penny. Write your answer as a fraction.​

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

In what organelle does photosynthesis take place?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?