At 11:59 PM on December 31 the time square ball in New York city was 735 Feet above the ground one minute later it was 584 feet above ground which of the following gives the rate of change of the ball in feet per second

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Can any one me with the answers to these questions asap?