A rock is thrown upward from top of a tower, and the height of the rock with respect to time can be modeledby the function h(t) = -16t? + 100t + 25, where t is the time in seconds and h(t) is the height of the ball in feet.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Which of the following vectors are orthogonal to (2,1)? check all that apply