Find the sample standard deviation. Round to one decimal place.
86, 21, 49, 24, 71, 64, 43, 45, 90
A. 24.8
B. 546.6
C. 492.0
D. 22.2

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?

What is the factored form of the following expressions? d^2 – 13d + 36

Which of the following is not a subset of {1,2,3}?