A certain isotope has a half-life of 9 hours. If the
initial mass of the isotope is 20.8 mg, what is the
mass after 63 hours?
a. 0.1625 mg
b. 0.040625 mg
c. 5.2 mg
d. 1.3 mg

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Plz a. s. a. p. the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52