100 milligrams of a substance decays exponentially. after 35 hours, 50mg remain. how many mg will remain after 54 hours

The parabola opens: y=√x-4 (principal square root) up down right left

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is