If fixed costs do not change, then marginal cost also remains constant. equals the change in variable cost divided by the change in output. equals the change in average variable cost divided by the change in output. equals the change in average fixed cost divided by the change in output.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

it has to have an angle of 90 degrees

how much is coupon

step-by-step explanation: