2. the cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. the cost is $22 for each room.
(a) write a direct variation equation to represent the cost.
(b) how many rooms can a hotel pay the company to clean for $200? write and solve an equation.
(c) suppose the hotel plans to tip the carpet cleaners $40, how many rooms can the hotel get cleaned for $200 now? write and solve an equation.

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Which statements are true about additional information for proving that the triangles are congruent check all that apply