A circular land having 88 ft. circumference with 3.5 ft depth was constructed and the mass thus evacuated was deposited around it in the uniform width of 3.5 ft. Find the height of pond. How many liters of water does it contain?​

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.