When Steve hits a golf ball, it's height can be modeled by the equation h=-16t^2+64t, where h represents the ball's height in feet and t represents the time in seconds.

Find the cosine function that is represented in the graph.

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a