Sand is falling off a conveyor belt onto a conical pile at the rate of 11 cubic feet per minute. The diamter of the base of the pile is 4 times the height. Determine the rate at which the height of the pile is changing when the height is 34 feet.

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2