Which of the following is the equation for a circle with a center of (−2, 3) and a radius of 9? (x + 2)2 + (y − 3)2 = 9
(x − 2)2 + (y + 3)2 = 81
(x + 2)2 + (y − 3)2 = 81
(x − 2)2 + (y + 3)2 = 9

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary