On a certain map, 2.5 inches represents 15 mile beach city and greenwood are 7.5 inches apart on the map what is the actual distance between bay city and greenwood

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

Which one ? is the answer and how to find this answer

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?