If a scale model of a dollhouse bed is 40 inches wide and 78 inches long. The width of the dollhouse bed will be 1 and 1/4 inches. What length should the dollhouse bed have. Step by Step answer

Which is the area, rounded to the nearest tenth of square inch, of an equilateral triangle that has a perimeter of 24 inches

Harold took five different samples of thirty-five randomly selected students from the 520 students he surveyed. the means of the samples are shown below. sample mean sample 1: 3.4 sample 2: 3.2 sample 3: 4.1 sample 4: 4.6 sample 5: 3.1 the predicted mean of the population will fall between 3.1 and ?

Maximize the lateral surface area of an inverted cone if v=27. formulas: v=pi*r^2*h/3 surface area=pi * r* sqrt of (r^2+h^2) i found that h=81/pi*r^2, but i don't know where to go after this.