Which of the following describes exponential decay?

The amount at a given time can be calculated by subtracting an amount from the previous amount.

The amount at a given time can be calculated by adding an amount to the previous amount.

The amount at a given time can be calculated by multiplying the previous amount by a value greater than 1.

The amount at a given time can be calculated by multiplying the previous amount by a value less than 1.

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

answer: your correct answer is b. d.

step-by-step explanation:

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!