Carlos has taken an initial dose of a prescription medication. The relationship between the elapsed time t, in hours, since he took the first dose, and the amount of
medication, M(t), in milligrams (mg), in his bloodstream is modeled by the following function.
M(t) = 20.e-0.86
In how many hours will Carlos have 1 mg of medication remaining in his bloodstream?
Round your answer, if necessary, to the nearest hundredth.

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.