The half-life of carbon -14 is 5,730 years. Suppose a fossil is found with 30 percent as much of its carbon-14 as compared to a living sample. How old is the fossil? a. 9,955 years
b. 28,993 years
c. 996 years
d. 2,899 years

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.