A right triangle has legs of 15 inches and 20 inches whose sides are changing. The short leg is increasing by 7 in/sec and the long leg is shrinking at 10 in/sec. What is
the rate of change of the area?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

The table below shows the function f. determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5]. a. 32 b. -32 c. 25 d. -25