Aball is thrown into the air with a initial velocity of 25 meters per second. the function h(t)+-4.9t^2+25t+6 represents the height of the t in seconds. ball above the ground in meters, with respect to time. at h(3) then the height of the ball would be

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Anyone know? will mark brainliest if correct

What are “like terms”? why can we only add like terms?