HELP PLSSS

Find the y-intercept of the line on the graph
Enter the correct answer

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

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c