The rise on a set of stairs is 6 inches. The tread or the run on the stairs is 9 inches. If the total length of the staircase is 12 feet and the total height is 8
feet, how many steps are needed?

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?