About how many times does a chickens heart beat in 1. min

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12