the length of a square room is 8m . what will be the cost of carpeting the room with carpet of width 128cm at the rate of Rs 120 per meter?

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?